Overview
A
Kazumi Adachi
Kazumi Adachi (portrayed by Jeanie Cloutier) is the mother ofCecil Adams / The Count / Count Vertigo
Cecil Adams / The Count / Count Vertigo (portrayed byOnyx Adams
Onyx Adams (portrayed byRuvé Adams
Ruvé Adams (portrayed byBarry Allen / Flash (Earth-1)
Barry Allen / Flash (portrayed by Grant Gustin) is a young crime scene investigator from the Central City Police Department. Oliver first meets Barry when the latter arrives to personally investigate a superhuman-related crime in Starling City. Barry discovers that Oliver is his vigilante idol, the Arrow, saves Oliver's life and helps him to begin uncovering the Mirakuru plot orchestrated by Slade Wilson. Ultimately, both Barry and Oliver become good friends and they occasionally offer each other advice and support. Barry later gains the power of super-speed, and is inspired by Oliver's example to become a hero known as the "Flash". He occasionally joins Oliver on missions and remains a trusted friend and ally. Gustin stars as the character on ''Barry Allen / Flash (Earth-90)
Barry Allen / Flash (portrayed by John Wesley Shipp) is an alternate version of the Flash (and a parallel universe counterpart of Barry Allen's deceased father Henry Allen's) from Earth-90 who previously encountered the Monitor.Michael Amar / Murmur
Michael Amar / Murmur (portrayed by Adrian Glynn McMorran) is a man whose mouth is sewn shut, who enacts a deadly revenge scheme on the Starling City police for imprisoning him in Iron Heights Penitentiary on a false confession. He escapes in Darhk's prison riot and joins H.I.V.E., but is captured and returned to prison.Nick Anastas
Nick Anastas (portrayed bySam Armand
Sam Armand (portrayed byAthena
Athena (portrayed byB
Beatrice
Beatrice (portrayed byBell
Bell (portrayed by David Stuart) is the deputy director ofFrank Bertinelli
Frank Bertinelli (portrayed by Jeffrey Nordling) is Helena's mob boss father who is loosely based on the comic book character Guido Bertinelli. He is killed in the episode "Birds of Prey", but not by Helena.Helena Bertinelli / Huntress
Helena Bertinelli / Huntress (portrayed byF. Bingsley
Sergeant F. Bingsley (portrayed by Danny Wattley) is a police sergeant of the Star City Police Department. He is in charge of briefing the newly deputized members of Team Arrow into the department, and works with Dinah Drake.Mr. Blank
Mr. Blank (portrayed bySebastian Blood / Brother Blood
Sebastian Blood / Brother Blood (portrayed by Kevin Alejandro) is a savvy politician who is working with Slade Wilson, a friend of Oliver Queen and romantic interest of Laurel Lance. He is a cityAldus Boardman
Dr. Aldus Boardman (portrayed byDaniel Brickwell / Brick
Danny "Brick" Brickwell (portrayed by Vinnie Jones) is a gang leader in Starling City. He earns the nickname "Brick" from being shot multiple times, without ever being put down. Brick organizes the takeover of the Glades in Oliver's absence and is later revealed to have killed Malcolm's wife, Rebecca, and thus is the indirect catalyst for the events of the series. Damien Darhk extorts Brick into joining H.I.V.E. after they escape from prison. In season seven, Brick is shown as an inmate at Slabside Maximum Security Prison. Brick tells Oliver about the "Demon" that Ricardo Diaz has been using to forward his orders to. When Diaz takes control of the prison, Brick sides with him. Following Oliver defeating Diaz, Brick tries to escape through the morgue only to be stabbed by Stanley Dover.C
The Captain
"The Captain" (portrayed by Jimmy Jean-Louis) is an unnamed man who is the captain of the ship ''Amazo''.Lydia Cassamento
Lydia Cassamento (portrayed by Gina Ravera) is a member of The Quadrant who worked alongside Ricardo Diaz until she met her death at his hands.Celia Castle
Celia Castle (portrayed by Christina Cox) succeeded Sebastian Blood as the mayor of Starling City until being killed by Maseo Yamashiro.Christopher Chance / Human Target
Christopher Chance / Human Target (portrayed byChase
Chase (portrayed by Austin Butler) is a DJ who becomes Thea's romantic interest. It is revealed that he is a spy for the League of Assassins, and he commits suicide rather than be captured.Doris Chase
Doris Chase (portrayed by Parveen Dosanjh) is the wife of Adrian Chase. She is unaware of her husband being the killer Prometheus until Oliver and Diggle bring her to an unmasked Adrian in the Prometheus outfit. When Doris tries to get Adrian to abandon his crusade against the Green Arrow, her husband kills her.Frank Chen
Frank Chen (portrayed by Chin Han) is a wealthy businessman and close friend of the Queen family who had a mysterious connection to The Undertaking until he is killed by Malcolm.Ryan Choi
Ryan Choi (portrayed by Osric Chau) is a scientist from Ivy Town who helped out during the Crisis.Tobias Church
Tobias "Charon" Church (portrayed bySamantha Clayton
Samantha Clayton (portrayed by Anna Hopkins) is the mother of Oliver's sonConklin
Conklin (portrayed by Ryan Robbins) is a member of Shadowspire in the series flashbacks. Conklin is highly suspicious of Oliver and his presence on Lian Yu, and regularly tries to convince his boss, Reiter, not to trust Oliver. He is later killed by Oliver when the two are left alone in a room and fight in hand-to-hand combat. In "Taken", a primordial energy takes the form of Conklin and stands at the entrance of the cave, speaking in tongues, but disappears when it notices the spell tattoo on Oliver's chest and deemed him worthy to pass.John Constantine
John Constantine (portrayed by Matt Ryan reprising his role from ''Jim Corrigan
Jim Corrigan (portrayed byJohn Cortez
John Cortez (portrayed by Adam Bogan) is the leader of a group of arsonists who were causing fires in Star City. He is defeated by Emiko Queen with help from John Diggle and Dinah Drake.Joseph Cray
Senator Joseph Cray (portrayed byCarrie Cutter / Cupid
Carrie Cutter / Cupid (portrayed byD
Keven Dale
Keven Dale (portrayed by Raj Paul) is the head ofJessica Danforth
Jessica Danforth (portrayed by Jeri Ryan) is a friend of the Queen family and mayoral candidate for Star City who drops out of the race after her daughter's kidnapping.Dante
Dante (portrayed by Adrian Paul) is a high-ranking member of the Ninth Circle. He is Emiko Queen's mentor and trainer, having taken her under his wing when she was abandoned by her father Robert Queen. He finances terrorist activities around the world and ends up on A.R.G.U.S.' radar when Ricardo Diaz hires the Longbow Hunters through him. Secretly, Dante hired Kodiak of the Longbow Hunters to kill Emiko's mother in order to manipulate her into fully becoming part of the Ninth Circle. When Emiko learns of this, she kills Dante.Dinah Lance
Dinah (portrayed by Alex Kingston) is the mother of Laurel and Sara, and Quentin's ex-wife. Dinah is a European history professor. Prior to Sara's disappearance, Dinah learned of her youngest daughter's relationship with Oliver, and is guilt-ridden for failing to stop her after the incident. After Sara's presumed death, Dinah's marriage with Quentin deteriorates and they divorce. She then leaves her family to find her daughter, correctly believing that she is alive. Dinah remarries after settling in Central City. Despite separating herself from Quentin after Sara's return, Dinah remains close to him and their daughters, and encourages Quentin to move on from their past.Alex Danvers
Alex Danvers (portrayed byKara Danvers / Supergirl
Kara Danvers / Supergirl (portrayed by Melissa Benoist) is Barry Allen's friend and ally from another universe, whom Oliver also ultimately befriends during an alien invasion crisis. Benoist reprises her role from the series '' Supergirl''. In season six, Benoist portrays Kara's Earth-X doppelgänger, Overgirl, who is Oliver's doppelgänger's Kryptonian bride.Damien Darhk
Damien Darhk (portrayed by Neal McDonough) is a former member of the League of Assassins and a friend-turned-adversary to Raʾs al Ghul. He is the main antagonist of season four. Years ago, Darhk left the League after being denied its leadership, taking a sample of the Lazarus Pit and several League members with him after Raʾs failed orders to execute him. He leads his own clandestine group,Alex Davis
Alex Davis (portrayed by Parker Young) is an employee of Oliver's mayoral campaign and love interest for Thea. When Oliver drops out of the mayoral race, he starts to work for Ruvé Adams and it is later revealed that he is being controlled by her. Alex is killed by Lonnie Machin when he stumbles into a fight between Thea and Lonnie, due to Lonnie believing that Alex is clouding Thea's mind.John Deegan
John Deegan (portrayed by Jeremy Davies) is a therapist in Gotham City who was given the Book of Destiny from Earth-90 by the Monitor. He was introduced in "Andy Diggle
Andrew Diggle (portrayed by Eugene Byrd) is the brother of John Diggle who is first seen as a bodyguard in a season three flashback, but was previously known to have been killed by the H.I.V.E. organization, which hired Floyd Lawton as their hitman. However, Andy led a double life in the military as a drug lord associated with the Shadowspire organization in Afghanistan; H.I.V.E. faked Andy's death and he eventually became one of Damien Darhk's "Ghosts". John suspects that Andy joined H.I.V.E. of his own free will, and tries to reconcile with his brother while saving him from damnation. Andy later helps John and Lyla stop Shadowspire from obtaining a weapon from A.R.G.U.S and is welcomed back into the family by John, but this proved to be a facade to get closer to Team Arrow. Later, he works with Malcolm Merlyn to get Darhk out of prison, and restore Darhk's powers. Andy's actions result in Laurel's death at Darhk's hands. As a result, John pursues and kills Andy to protect the rest of his family.John Diggle Jr.
John "J.J." Diggle Jr. (portrayed by Charlie Barnett) is the biological son of John Diggle and Lyla Michaels, who leads the "Deathstroke Gang" in the 2040 flashforwards. He has fallen out with both his father and his adopted brother Connor. When Connor contacts J.J. for the first time in a year, J.J. sends his gang to kill Connor. After the vigilantes bring down the wall separating Star City from the Glades at the end of season seven, the Deathstroke Gang grow more powerful and amass additional territory with J.J. claiming ownership of the city. After the Crisis, J.J.'s entire history has changed; his father makes sure that J.J. would grow up well-adjusted. In 2040, J.J. is not a Deathstroke and works as a curator of Star City's Vigilante Museum, and is having a strained relationship with Connor. However, someone from the Queen family's past restores J.J.'s memories from the initial timeline. Diggle and Michaels originally had a daughter named Sara, but Barry Allen's time traveling and creation (and subsequent erasure) of the Flashpoint timeline results in her being replaced by J.J. Keon Boateng and Marcello Guede portray J'S. as a child from season five to seven. After the Crisis, Sara is restored to the timeline, existing simultaneously with her brother.Carly Diggle
Carly Diggle (portrayed byAdam Donner
Adam Donner (portrayed byStanley Dover
Stanley Dover (portrayed by Brendan Fletcher) is a man incarcerated at Slabside Maximum Security Prison for a murder he claims he did not commit. He has a deep admiration for Oliver Queen. However, Oliver figured out that he framed Bronze Tiger for stabbing a guard and declines having Laurel Lance getting him released. When Ricardo Diaz takes control of the prison, Stanley admits that he is a serial killer to Oliver. When escaping, Stanley stabs Brick with a scalpel to get back at him for the torment he caused him and escapes through the morgue. Stanley returns to Star City as the "Star City Slayer", targeting members of Team Arrow, thinking they are bad for Oliver. He slits Dinah's throat, which has a permanent effect on her; causing her pain whenever she uses her sonic scream. After confronting Oliver, Felicity and William at their apartment, he is subdued by Oliver and returned to Slabside.Constantine Drakon
Constantine Drakon (portrayed by Darren Shahlavi) is the head of Adam Hunt's security and deadly in hand-to-hand combat. He is the first real foe that the Arrow faces after returning home and is killed by an arrow to the chest.F
Esrin Fortuna
Esrin Fortuna (portrayed byMark Francis
Mark Francis (portrayed by Nicholas Lea) is an associate of Walter Steele.Nora Fries
Nora Fries (portrayed byMax Fuller
Max Fuller (portrayed byEdward Fyers
Eddie Fyers (portrayed byG
Ted Gaynor
Ted Gaynor (portrayed by Ben Browder) is Diggle's former military commander who turns rogue and starts robbing cash from truck transfers only to be killed by the Arrow. Gaynor returns in flashbacks where his military history with Diggle is shown.Nyssa al Ghul
Nyssa al Ghul (portrayed by Katrina Law) is the daughter of Ra's al Ghul. Nyssa is said to have encountered a dying Sara on Lian Yu after Oliver and Slade's fight on the ''Amazo'', and brought Sara to the League where they became lovers, though her father never approved of their relationship. In season two, when Sara leaves the League, Nyssa works to force her return, threatening her family, but ultimately accepts her departure and later helps Oliver fight Slade's army when Sara decides to return to the League. In season three, when Sara is murdered, Nyssa goes on a vengeance quest to kill Malcolm, correctly assuming he is her killer though he claims otherwise. She befriends Sara's sister, Laurel, but her animosity with Oliver intensifies because he is unwilling to let her execute Malcolm. Nyssa feels betrayed when Raʾs declares Oliver his successor and releases Malcolm, and she leaves Nanda Parbat for Starling City and begins training Laurel. Nyssa is later captured by Oliver, Maseo Yamashiro and a team of assassins to bring her back to Nanda Parbat by force, for stealing the Alpha/Omega virus from the League. Instead of having Oliver kill Nyssa for her betrayal, Raʾs decides that the two should marry, to her evident dismay. However, Nyssa aligns herself with Oliver and his team to save Starling City, defying her father. She later returns to the League under Malcolm's leadership and bows to him despite making it clear that she intends to kill him one day. In season four Nyssa begs Laurel not to use the Lazarus Pit to bring Sara back to life, knowing Sara will return different. When Laurel does so regardlessly, Nyssa retaliates by using a potion Raʾs Al Ghul left to destroy the Pit. Nyssa later escapes and tries to manipulate Oliver into killing Malcolm by leveraging him with the cure to Thea's condition, though this results in war between her and Malcolm. Eventually, Nyssa succeeds when Oliver defeats Malcolm without killing him and Nyssa disbands the League to spite Malcolm and regain Team Arrow's trust. She later returns to attend Laurel's funeral. In season five, Nyssa returns to help Oliver free his friends from Adrian Chase on Lian Yu. She survives Chase's explosion on the island. According to Slade, she went looking for Evelyn Sharpe, who was imprisoned in a cage. In season six, Nyssa helps Team Arrow fight off the Thanatos Guild, assembled by Malcolm before his death on Lian Yu. She departs with Thea Queen and Roy Harper to destroy the three Lazarus Pits that Malcolm discovered. Season seven's flashforwards reveal Nyssa training Oliver and Felicity's daughter Mia Smoak throughout her childhood. Later, in the series finale, it is revealed that the main cause of the estrangement between Nyssa and her father was because of the latter never had accepted his daughter being a lesbian.Ra's al Ghul
Ra's al Ghul ( ar, رأس الغول, lit=The Demon's Head; portrayed by Matt Nable) is the main antagonist of season three and leader of the League of Assassins who has lived for at least two centuries (having been born some decades before 1854) due to the use of the Lazarus Pit, a pool which can heal wounds and bring the dead back to life. He is the father ofTalia al Ghul
Talia al Ghul (portrayed byGideon
Gideon (voiced by Amy Pemberton) is the on-board navigational assistant of the ''Waverider''. Pemberton stars as the character on ''Legends of Tomorrow''.William Glenmorgan
William Glenmorgan (portrayed by Edward Foy) is a mercenary framed as Kazumi Adachi's murderer.Cyrus Gold
Cyrus Gold (portrayed by Graham Shiels) is an acolyte of Brother Blood who is the first to survive injection with Mirakuru in the present day. Oliver defeats him in the episode "Three Ghosts".Ted Grant / Wildcat
Ted Grant / Wildcat (portrayed byIshmael Gregor
Ishmael Gregor (portrayed byGrim Reaper
Grim Reaper (portrayed byYao Fei Gulong
Yao Fei Gulong (portrayed by Byron Mann) is a skilled former Chinese general who assists Oliver on Lian Yu during season one. Yao Fei was framed for the massacre of a Chinese village by his superiors and exiled to Lian Yu as punishment. He was found there by Edward Fyers who uses Yao Fei's daughter Shado as leverage to extort his help bringing down a commercial airliner. During an escape attempt, Yao Fei encounters Oliver whom he shelters and teaches survival skills to, and brings him to Slade Wilson and Shado to teach him combat and archery, respectively. Yao Fei is killed by Fyers in the season one finale. In the season five flashbacks, it is revealed that Yao Fei was taught byH
Dave Hackett
Dave Hackett (portrayed by Ben Cotton) is Robert Queen's bodyguard, who survives the sinking of ''Sam Hackett
Sam Hackett (portrayed by Luke Camilleri) is the son of Dave Hackett. Learning the truth of his father's death years later, Sam seeks revenge on Oliver but is subdued by the SCPD and arrested.Carter Hall / Hawkman
Carter Hall / Hawkman (portrayed by Falk Hentschel) is the latest reincarnation of an Egyptian prince who is fated to reincarnate throughout time along with his soulmate, Kendra Saunders / Hawkgirl. Carter stars as the character on ''Legends of Tomorrow''.McKenna Hall
McKenna Hall (portrayed byDigger Harkness / Captain Boomerang
Digger Harkness / Captain Boomerang (portrayed byRoger Hayden / Psycho-Pirate
Roger Hayden / Psycho-Pirate (portrayed byNate Heywood / Steel
Nate Heywood / Steel (portrayed by Nick Zano) is a historian-turned-metahuman superhero who can transform himself into a steel-like form. Zano stars as the character on '' Legends of Tomorrow''.Kimberly Hill
Kimberly Hill (portrayed by Tina Huang) is a corrupt SCPD officer and ally of Diaz. She took over the duties of being captain following the death of Pike while working with Armand to take down Oliver. Kimberly is fired by Oliver after he discovers her allegiance to Diaz. She is later arrested by Samanda Watson after the F.B.I. obtains evidence of her crimes.Lucas Hilton
Detective Lucas Hilton (portrayed byPaul Holt
Paul Holt (portrayed by Chenier Hundal) is the husband of Curtis Holt until their divorce in the fifth season, and Felicity Smoak's physiotherapist.Honor / Silencer
Honor / Silencer (portrayed by Miranda Edwards) is a member of the Longbow Hunters. She later gets captured by Wild Dog during a raid on a CDC facility. Thanks to a trick by Smoak, Silencer was released where she secretly has a tracker on her so that Smoak and Black Siren could find Ricardo Diaz. Silencer caught up to Ricardo Diaz in Moscow where Ricardo is holding up Anatoly Knyazev by his shirt.Adam Hunt
Adam Hunt (portrayed by Brian Markinson) is a corrupt businessman who is the first person on "The List" stopped by Oliver. He was blackmailed into involvement with the Undertaking. Hunt is later killed by Malcolm Merlyn.I
Anthony Ivo
Dr. Anthony Ivo (portrayed byJ
Jefferson Jackson / Firestorm
Jefferson Jackson / Firestorm (portrayed byCayden James
Cayden James (portrayed by Michael Emerson) is the former leader of the hacktivist organization Helix. He initially appears in season five played by an unnamed stunt double before Emerson was cast. In season six, he serves as aJ'onn J'onzz / Martian Manhunter
J'onn J'onzz (portrayed by David Harewood) is an extraterrestrial superhero who is the last Green Martian and also the director ofK
Kate Kane / Batwoman
Kate Kane / Batwoman (portrayed byClark Kent / Superman
Clark Kent / Superman (portrayed by Tyler Hoechlin) is the cousin of Supergirl from Earth-38 and the protector of Metropolis. Hoechlin reprises his role from '' Supergirl''.Anatoly Knyazev
Anatoly Knyazev (portrayed by David Nykl) is former KGB agent and Russian mob member. Anatoly was kidnapped by Dr. Ivo and is brought to Lian Yu where he meets Oliver Queen and becomes a friend and is instrumental in Slade's defeat on the island. Sometime between the flashbacks and the present, Anatoly makes Oliver a Russian mafia, Bratva captain and continues to assist him in the present. In season six, he allied with Cayden James and Ricardo Diaz before defecting back to Oliver's side. In season seven, Anatoly helps Team Arrow take down Diaz and Felicity gives him a new identity for him to live his life.Kodiak
Kodiak (portrayed by Michael Jonsson), also called "Bear" by his teammates, is a member of the Longbow Hunters. He is later revealed to have assassinated Emiko Queen's mother, Kazumi Adachi, on the orders of Dante.Konstantin Kovar
Konstantin Kovar (portrayed by Dolph Lundgren) is a member of the Russian criminal organisation Bratva who appears as the main antagonist in the season five flashbacks, after being alluded in season four. Oliver kills him in Lian Yu island to fulfill Taiana Venediktov's last request. A character of the same name appears in DC Comics as the father of the superhero Red Star (comics), Red Star.Kullens
Kullens (portrayed by Greg Rogers) is a Star City Councilman who is shadowed by Susan Williams. He was later among the politicians on Ricardo Diaz's side. Kullens was among those who were arrested by the FBI. Kullens is killed by Stanley Dover in season seven.Noah Kuttler / Calculator
Noah Kuttler / Calculator (portrayed by Tom Amandes) is Felicity's long-lost father, who is a career cyber-criminal whom Donna Smoak divorced from eighteen years previously. He has advanced computer science and hacking skills which surpasses his daughter's, which he uses to blackmail Roy Harper out of hiding. Kuttler is ultimately arrested by Donna's current romantic partner, Quentin Lance, after Felicity turns her father in. After escaping from prison, Kuttler finds himself being targeted by H.I.V.E. due to their awareness that he possibly can thwart their plans for world domination with his computer skills; he helps his daughter in stopping H.I.V.E. after Felicity and her friends save him, but leaves Star City once more at Donna's insistence. He returns in season six to attend Oliver and Felicity's wedding. In 2040, Felicity became the Calculator in order to infiltrateL
Simon Lacroix / Komodo
Simon Lacroix / Komodo (portrayed by Matt Ward) is a mercenary archer who uses the name Komodo and was originally suspected of killing Sara Lance / Canary.Sara Lance / Canary / White Canary
Sara Lance / Canary / White Canary (portrayed by Jacqueline MacInnes Wood in the pilot, and Caity Lotz afterwards) is Laurel's sister with whom Oliver had an affair. Sara, along with Laurel and their mother Dinah, is based on the DC Comics superheroine Black Canary. She was believed to have drowned with the sinking ''Queen's Gambit'', but she resurfaces in season two as another vigilante, the "Canary", who is connected to the League of Assassins. She was originally according to Kreisberg, "the beginning of the Black Canary story". Canary eventually wins her freedom from the League and returns to Starling City, to become part of Oliver's team in addition to working as a bartender at his nightclub. She breaks with Oliver over a dispute concerning Roy, and rejoins the League in order win their backing against Slade Wilson's army. She returns to Starling City on a mission for the League, but is killed by a mysterious archer. It is revealed that Thea killed Sara while drugged and controlled by Malcolm, as part of a plot to force Oliver into combat with Raʾs al Ghul. Lotz dubs Cassidy's lines when Laurel impersonates Sara as the Canary, and later appears as a hallucination of Laurel's. In season four, Laurel, Thea, and Malcolm resurrect Sara using the Lazarus Pit, but she returns mentally fractured until Oliver brings in his old friend John Constantine to help restore her soul. However, Sara's behavior remains volatile and she suffers an insatiable bloodlust, which prompts her to seek solitude away from home. In season six, Sara is informed about what happened to Quentin during the fight with Ricardo Diaz. In season seven, Felicity alerts Sara of Earth-2 Laurel's activities and brings her to 2019 to help her bring Laurel back.Lois Lane
Lois Lane (portrayed by Elizabeth Tulloch) is a reporter at the Daily Planet on Earth-38 and wife of Superman.Brie Larvan
Brie Larvan (portrayed by Emily Kinney) is a narcissistic technical genius and killer who becomes a rival to Felicity Smoak. Kinney reprises her role from ''The Flash''.Floyd Lawton / Deadshot
Floyd Lawton / Deadshot (portrayed by Michael Rowe (actor), Michael Rowe) is a mercenary who killed Andy Diggle underAlexi Leonov
Alexi Leonov (portrayed by Eugene Lipinski) is a Russian mafia, Russian Bratva member. He is killed by Slade Wilson in season two.Lopez
Lopez (portrayed by Alison Araya) is a Star City police officer who later sided with Ricardo Diaz. She was later arrested by the FBI.Jean Loring
Jean Loring (portrayed by Teryl Rothery) is Moira's attorney for her murder trial. She later represents Oliver Queen when he is suspected to be Green Arrow due to the machinations of Ricardo Diaz.Lex Luthor
Lex Luthor (portrayed by Jon Cryer) is an enemy of Superman and Supergirl's from Earth-38 that the Monitor recruits to avert the Crisis. Cryer reprises his role from '' Supergirl''.Garfield Lynns
Garfield Lynns (portrayed by Andrew Dunbar) is a former firefighter who is killing other firefighters as revenge for being abandoned in a fire. Before committing suicide, Lynns reveals to the Hood that he is scared of living.M
Lonnie Machin / Anarky
Lonnie Machin / Anarky (portrayed by Alexander Calvert) is a deranged freelancing criminal who is willing to do whatever it takes to impress a potential employer. After his face was disfigured and burned by Thea, he becomes a rogue terrorist and plans on getting his revenge on Darhk for betraying him. In Arrow (season 5), season 5, he is taken down by the Green Arrow.Billy Malone
Detective Billy Malone (portrayed by Tyler Ritter) was a new member of the Star City Police Department and Felicity's new boyfriend. He is inadvertently killed by Oliver due to a trap set by Prometheus.Barton Mathis / Dollmaker
Barton Mathis / Dollmaker (portrayed by Michael Eklund) is a misogynistic serial killer and an enemy of Quentin Lance, later killed by Sara Lance.Mari McCabe / Vixen
Mari McCabe / Vixen (portrayed by Megalyn Echikunwoke) was born in Africa and orphaned at a young age, and later raised in the United States. Mari inherits her family's mystical Tantu Totem, which allows her to access the powers of the animal kingdom, and becomes a Detroit-based superpowered vigilante. Mari is a friend and ally to both Oliver and Barry Allen. Echikunwoke reprises her role from the animated Arrowverse series ''Vixen (web series), Vixen''.C. McGarvey
C. McGarvey (portrayed by Gaalen Engen) is a corrupt judge in Star City. When it came to the trial of Oliver Queen, he got knocked out by John Diggle and Rene Ramirez so that Christopher Chance can pose as him in order to get Oliver Queen to seek probation before being free to go. When Ricardo Diaz had C. McGarvey brought to him over what happened at the trial, he tries to explain what really happened only for an angry Diaz to shoot him dead.Aviva Metula / Shadow Thief
Aviva Metula / Shadow Thief (portrayed by Carmel Amit) is a former Mossad agent turned thief who partners up with Laurel Lance after she is outed as Black Siren. The two were introduced to one another by Ricardo Diaz. After Lance turns on her, Shadow Thief manages to escape.Lyla Michaels / Harbinger
Lyla Michaels (portrayed by Audrey Marie Anderson) is an A.R.G.U.S. agent and John Diggle's wife who served with him in Afghanistan where they first met. Within A.R.G.U.S. she uses the codename "Harbinger" and is the field leader of the Suicide Squad. Lyla and John also have a child, born in season three, who they name Sara in honor of Sara Lance (The child is later changed to a son named John Jr. following the events of "Flashpoint"). Lyla and Sara are kidnapped by Oliver when he masquerades as a devoted League of Assassins member called Al Sah-Him. Though this strains the friendship between John and Oliver when the truth comes out, Lyla understands that it was necessary in his battle to destroy Raʾs al Ghul and the League. In season four, after Amanda Waller's death, Lyla becomes her successor as leader of A.R.G.U.S. and works to reform the organization. While she primarily aids Team Arrow, Lyla occasionally makes appearances in ''The Flash'' to aid Team Flash when A.R.G.U.S. faces metahuman threats. However, Lyla along with her husband learns of the alteration of her life due to the events of ''The Flash'' episode "Flashpoint", leading her to distrust the Flash. In the final season, Lyla is revealed to be working with Mar Novu (Arrowverse), Mar Novu / The Monitor. She later transforms into a new being and brands herself a "harbinger of things to come".James Midas
James Midas (portrayed by Andrew Kavadas) is the CEO of Midas Medical, who is manufacturing and selling poison bullets. He is the first criminal arrested by the deputized Team Arrow.N
Phaedra Nixon
Phaedra Nixon (portrayed by Lynda Boyd) is a leading member of the H.I.V.E. organization.Winnick Norton / Dodger
Winnick Norton (portrayed by James Callis) is an elusive jewel thief.O
Alexa Van Owen
Alexa Van Owen (portrayed by Catherine Dent) is an outside counsel who once convicted the organization Intergang. She prosecutes Oliver Queen at his trial where Christopher Chance posing as Judge McGarvey during the verdict had heard the guilty verdict and told Oliver to seek probation before he is free to go.P
Ray Palmer / Atom
Ray Palmer / Atom (portrayed by Brandon Routh) is a scientist, inventor, minister and businessman who succeeds Isabel Rochev as CEO of Queen Consolidated after her crimes are posthumously exposed. Ray seeks to make improvements to Starling City after it survived terrorist attacks, and has the intention of renaming it "Star City", involving himself with the city's legislative body. After his fiancée, Anna Loring, is killed by one of Slade Wilson's Mirakuru soldiers, Ray uses the company's research and technical inventions to develop a suit powered by white dwarf matter, which, in his theory, can alter the wearer's size down to the subatomic level. Ray seeks to use it to become a high-tech vigilante, named "Atom". He renames Queen Consolidated "Palmer Technologies" and makes Felicity his Vice President. Ray and Felicity become lovers until Ray realizes that she is in love with Oliver. Ray assists Team Arrow's fight against Raʾs al Ghul to stop him unleashing the Alpha/Omega bioweapon. In the season finale Ray is working on the suit with the intention of giving it the power to shrink but a malfunction causes the entire top floor of Palmer Technologies to blow up. It is revealed later that Ray is alive but was being held captive by Darhk until he is freed by Team Arrow to join their fight against H.I.V.E.Jarrett Parker
Jarrett Parker (portrayed by Jason E. Kelly) is the chief psychiatrist at Slabside Maximum Security Prison who uses a special brain machine and a truth serum when doing his therapy on the inmates of the prison's Level 2. Thanks to Oliver Queen, Talia al Ghul escapes from Slabside and drops off a USB to Felicity Smoak which exposes Jarrett's illegal psychiatry activities. This leads to Jarrett getting fired and Level 2 of the prison being shut down. As he is loading his stuff into his car, Talia returns and kills him as payback for what he did to her.P. Parks
P. Parks (portrayed by Josh Byer) is a Star City police officer who is among the police officers on Ricardo Diaz's side. When the FBI and Team Arrow raid the Star City Police Department, Parks is defeated by Green Arrow and Black Canary and arrested by the by FBI.Frank Pike
Frank Pike (portrayed by Adrian Holmes) is a police lieutenant and Quentin Lance's superior. By the fifth season, Pike has been promoted to captain of police. He dies in season six during an attack caused by Cayden James.Emily Pollard
Emily Pollard (portrayed by Laara Sadiq) is a councilwoman with a fierce anti-vigilante stance who pushes a bill with that agenda. She is at one point saved by Team Arrow, which doesn't changes her views at all. When Oliver Queen is impeached as mayor and later arrested as well as his successor Quentin Lance dying during surgery following the fight against Ricardo Diaz, Pollard takes his place and implements her measures with a firm hand. However, by the end of the year, her formerly-high popularity has started to wane in light of increased crime and the emergence of a mysterious new Green Arrow. After Oliver Queen is released from Slabside Maximum Security Prison and assists Dinah Drake in apprehending Max Fuller, Pollard visits the Star City Police Department disapproving of Oliver breaking the anti-vigilante law. Dinah states that Oliver is now working with the Star City Police Department. As Mayor Pollard leaves with plans to get the district attorney to take action, Dinah comments that the current district attorney is on her side. Pollard also deputised Curtis Holt (Arrowverse), Curtis Holt, Rene Ramirez (Arrowverse), Rene Ramirez and John Diggle.Q
Robert Queen
Robert Queen (portrayed by Jamey Sheridan) is Moira's late husband, Oliver and Emiko's father, Thea's legal father, William Clayton and Mia Smoak's paternal grandfather, and Felicity Smoak's father-in-law. Despite his marriage to Moira, Robert was not a faithful husband, having many illicit affairs outside of his marriage including with his company's intern, Isabel Rochev, and a Japanese-descent woman, Kazumi Adachi. In addition, he has a secret daughter, Emiko, with Adachi. Robert is secretly aware that Thea is Malcolm Merlyn's biological daughter, but accepted her and also acted as a surrogate father to Malcolm's son, Tommy. As a young man, Robert gained his wealth through corrupted means; he gradually become remorseful of his greed, leading him to join Malcolm's secret society, Tempest, to improve Starling City's condition in hope of making amends. He also accidentally killed a local councilman, Henry Goodwin, when the latter seeks bribes from Robert, which traumatizes him and hates himself of becoming a killer. He and Oliver were both lost at sea when Malcolm sabotaged the ''Queen's Gambit''. Robert admits to his son of being corrupt and is guilt-ridden by it, and was working to atone his misdeeds. He sacrifices his life by killing himself, increasing Oliver's chances of survival and returning home to Starling City to right Robert's wrongs.R
Raisa
Raisa (portrayed by Kathleen Gati) is a long-serving domestic worker in the Queen mansion when the series begins; she has been close to Oliver since his childhood. She returns in season six to help take care of William, Oliver's son.Zoe Ramirez
Zoe Ramirez (portrayed by Eliza Faria as a teenager, Andrea Sixtos as an adult) is the daughter of Rene Ramirez. Rene does not have legal custody of Zoe at first, but later Zoe starts living with her father full-time. She later learned about her father's vigilante life, and becomes supportive of his heroic endeavors because of their shared hatred towards the crime wave plaguing their home and took her mother's life. In season six, Zoe bonds with her father's vigilante associates, and sees Dinah Drake as a surrogate mother. In the season seven flash-forwards, it is revealed that Zoe has followed in her father's footsteps and became Dinah Drake's protégée, being a member of female vigilante group the Canaries, while in her civilian identity, moonlights as a member of her father's staff (who is the Glades' elected mayor). At the end of the season, Zoe becomes the leader of the Canaries, when Dinah leaves Star City to live as a fugitive. In Arrow (season 8), season 8, she is stabbed by John Diggle Jr. when fighting alongside Mia Smoak. Following the Crisis, Zoe is alive after the timeline has changed. She still works for her father, but did not become a vigilante.Cisco Ramon / Vibe
Francisco "Cisco" Ramon / Vibe (portrayed by Carlos Valdes (actor), Carlos Valdes) is a mechanical engineering genius at S.T.A.R. Labs with known metahuman abilities to detect anomalies within reality and sonic manipulation. Cisco helps upgrade the arsenals of Oliver, Laurel, and Sara, aids Ray with his Atom suit, and designs a new safe house for Oliver. Valdes stars as the character on ''The Flash''.Red Dart
Red Dart (portrayed by Holly Elissa Dignard) is a member of the Longbow Hunters.Rory Regan / Ragman
Rory Regan / Ragman (portrayed by Joe Dinicol) arrives "fresh from a personal tragedy" hoping to find answers in Star City, where he ultimately crosses paths with Green Arrow. Regan is the only survivor of the nuclear destruction of Havenrock and wears ancient magical rags as the vigilante Ragman. Oliver eventually manages to convince him to join Team Arrow as part of the new recruits. He leaves the team when his rags lose their powers after being used to shield a nuclear explosion. Later, his mask appears in Chimera's personal collection, leaving his fate unknown. After the crisis, Regan helps Team Arrow find William.Baron Reiter
Baron Reiter (portrayed by Jimmy Akingbola) is the leader of Shadowspire in the season four's flashbacks, when he was searching for magical artifacts on Lian Yu, specifically the idol that Damien Darhk later possesses. He is eventually killed by Oliver when Taiana gains control of the idol's powers and weaken him long enough for Oliver to hurl a knife into Reiter's back, killing him.Derek Reston / King
Derek Reston / King (portrayed by Currie Graham) is the leader of Royal Flush Gang, a gang consisting of his family members.Kyle Reston / Ace
Kyle Reston / Ace (portrayed by Kyle Schmid) is the son of Derek Reston and a member of the Reston crime family.Isabel Rochev
Isabel Rochev (portrayed by Summer Glau) is a senior executive at Stellmoor International who acquires half of Queen Consolidated in the second-season premiere. She later secures full control of the company in a hostile takeover. It is revealed she was Oliver's father's mistress during her internship and had been working with Slade to get revenge. Like Oliver, Isabel was also trained by Slade in martial arts, but she later had a blood transfusion from Slade which contains with the Mirakuru drug that empowered him. In the season two finale Isabel is killed by Nyssa al Ghul. The character shares her name with the DC Comics villain "The Queen", who, in the comics, became CEO of Queen Industries following the death of founder Robert Queen.Mick Rory / Heat Wave
Mick Rory / Heat Wave (portrayed by Dominic Purcell) is an arsonist, career criminal, and accomplice of Leonard Snart (Arrowverse), Leonard Snart who, in contrast to his partner, uses a heat gun capable of burning almost anything. Purcell reprises his role from ''The Flash''.S
Nick Salvati
Nick Salvati (portrayed by Tahmoh Penikett) is the right-hand man of Frank Bertinelli.Derek Sampson
Derek Sampson (portrayed by Cody Rhodes, Cody Runnels) is a drug dealer terrorizing Star City. He is exposed to a chemical compound called "Stardust", which makes him unable to feel pain. In season seven, he appears as an inmate at Slabside Maximum Security Prison. When Ricardo Diaz takes control of the prison, Derek assists him in attacking Oliver. When Diaz starts an electrical fire, Sampson is set on fire by Ben Turner.Kendra Saunders / Hawkgirl
Kendra Saunders / Hawkgirl (portrayed by Ciara Renée) is a young woman who is just beginning to learn that she has been repeatedly reincarnated over the centuries. When provoked, her ancient warrior persona manifests itself, along with wings that grow out of her back, earning her the name Hawkgirl. Renée stars as the character on ''Legends of Tomorrow''.Vandal Savage
Vandal Savage (portrayed by Casper Crump) is a 6,000-year-old immortal, who has manipulated leaders throughout history in an attempt to gain dominion over the entire world. He becomes a main antagonist in the first season of ''Legends of Tomorrow.''Mark Scheffer / Shrapnel
Mark Scheffer / Shrapnel (portrayed by Sean Maher) is a former toy-shop owner who becomes a psychotic serial bomber and later a member of the Suicide Squad. He was killed during the first mission.Elisa Schwartz
Elisa Schwartz (portrayed by Venus Terzo) is a Star City General Hospital doctor who often treats several Team Arrow members. She is very aware of Green Arrow's identity when she treated a dying Laurel.Cooper Seldon
Cooper Seldon (portrayed by Nolan Gerard Funk, Nolan Funk) is Felicity's boyfriend during her time at MIT, and leader of the hackivist-turned-terrorist organization "Brother Eye". He escapes in Darhk's prison riot and joins H.I.V.E. as their hacker.Shado
Shado (portrayed by Celina Jade) is the daughter of Yao Fei. She helps train Oliver in archery and martial arts while on Lian Yu in the season one flashbacks; they eventually become lovers during the season two flashbacks. She is killed by Ivo causing Slade, who had secretly been in love with her, to blame Oliver for her death and vows revenge. She later appears in Slade's hallucinations in the present time. Jade also portrayed Shado's twin sister, Mei, who Oliver meets in Hong Kong during a season three flashback. She also appears as a hallucination in season four during Oliver's second stay on Lian Yu.Evelyn Sharp / Artemis
Evelyn Crawford Sharp (portrayed by Madison McLaughlin) is a woman who takes up the mantle of the Black Canary following Laurel's death, eventually settling on the name Artemis Crock, Artemis. She becomes one of the new recruits of Team Arrow despite her moral ambiguity, but ultimately betrays the team to Prometheus after learning about the List and Oliver's former identity as the Arrow. She is on Lian Yu when it was blown up by Prometheus, with her fate never revealed.Mark Shaw
Mark Shaw (portrayed by David Cubitt) is an A.R.G.U.S. operative in Corto Maltese who crosses paths with Diggle, and will eventually be known as "Manhunter".Sheck
Sheck (portrayed by Tobias Jelinek) is the right-hand man of Cayden James and a member of his secret cabal. He is responsible for saving Black Siren following the detonation of Lian Yu, ensuring her loyalty to his boss's cause. Scheck is later killed by Vigilante, revealing the latter's nature as a mole in the group.Matthew Shrieve
Matthew Shrieve (portrayed by Marc Singer) is a US Army General who is introduced in a flashback at the end of the episode "The Return". He serves as a main antagonist of the third season flashbacks. Shrieve presents himself as a more reasonable counterpart to Amanda Waller, allowing Oliver and the Yamashiros to go free after their mission in Hong Kong is completed; he is later revealed to be the one who ordered their deaths, betraying and framing Waller as he plots to use the virus they acquired to cripple China, which he sees as a growing threat to America. Shrieve is also responsible for causing Akio's death and in vengeance he is brutally tortured by Oliver before being executed by Maseo.Jake Simmons / Deathbolt
Jake Simmons / Deathbolt (portrayed by Doug Jones (actor), Doug Jones) is a metahuman from Opal City who receives his powers through unknown means, with the ability to harness and weaponize plasma energy.Cindy "Sin" Simone
Cindy "Sin" Simone (portrayed by Bex Taylor-Klaus) is a wayward youth whom Sara takes under her protection in Starling City after Cindy's father is killed on Lian Yu. Cindy later befriends Roy Harper and Thea Queen.David Singh
David Singh (portrayed by Patrick Sabongui) is the Central City Police Captain who provided the Green Arrow and his team with information that lead to the location of Dinah Drake. Sabongui reprises his role from ''The Flash''.Donna Smoak
Donna Smoak (portrayed by Charlotte Ross), a former cocktail waitress from Las Vegas, is Felicity's mother and Mia Smoak's maternal grandmother. Donna was previously married to cyber-criminal Noah Kuttler which led to Felicity's conception prior to leaving him; Donna claimed that Noah abandoned them, resulting in an estranged relationship with Felicity until they reconcile seventeen years later. Donna meets and dates Quentin Lance, but remains bitter over Noah and his criminal past. She helps Quentin to cope with the loss of his eldest daughter, Laurel. As of the season five premiere, Donna and Quentin have split up.Caitlin Snow / Killer Frost
Caitlin Snow / Killer Frost (portrayed by Danielle Panabaker) is a bio-engineering expert from S.T.A.R. Labs (Arrowverse), S.T.A.R. Labs and a metahuman with cryokinetic abilities. Caitlin helps Felicity in recreating the Mirakuru antidote, and occasionally helps Team Arrow on missions. Panabaker stars as the character on ''The Flash''.Vincent Sobel / Vigilante
Vincent "Vinnie" Sobel / Vigilante (portrayed by Johann Urb, voiced by Mick Wingert when masked) is a crimefighter who kills criminals. He is revealed to be a member of Cayden James' criminal cabal, but is working as a double agent who informs Team Arrow of their activities, primarily because of his love for Dinah. Vincent is eventually caught and killed by Black Siren for his betrayal. Despite belief that Josh Segarra voiced the character, thus implying that Adrian Chase was also Vigilante (Adrian Chase, as is the case in the comics), it was revealed that his character was instead Prometheus. As such, Guggenheim indicated that the reveal of who Vigilante actually was would "probably" not be seen in season five and that Vigilante's identity was someone already seen before. Sobel was originally portrayed by Clayton Chitty in the fifth season.Sean Sonus
Sean Sonus (portrayed by Steve Bacic) is a drug dealer who killed Central City Police Department officer Vincent Sobel during the S.T.A.R. Labs (Arrowverse), S.T.A.R. Labs particle accelerator incident in season two of ''Arrow'' and got powers as a metahuman to further his criminal enterprise. Sean is hunted across the country by Dinah Drake until they meet again in Hub City (comics), Hub City.Kate Spencer
Kate Spencer (portrayed by Chelah Horsdal) is the district attorney. She is killed in season two during Slade Wilson's rampage on Starling City.Walter Steele
Walter Steele (portrayed by Colin Salmon) is Moira's husband, Oliver and Thea's step-father, and Felicity's former employer. He was president of Queen Consolidated until he disappeared in episode 9, but was found alive in episode 21. He and Moira separate at the end of season one, and he returns in season two to help her run for mayor. It is revealed that Moira had confided in Walter about Thea's true paternity at some point after they marry. He is currently the chief financial officer of Starling National Bank.Martin Stein / Firestorm
Martin Stein / Firestorm (portrayed by Victor Garber) is a nuclear physicist focused on transmutation who is second half of the hero known as Firestorm with Jefferson Jackson. Garber reprises his role from ''The Flash''.Jason Stent
Jason Stent (portrayed by Chris Milligan) is a weapons dealer who was defeated by Emiko Queen when Oliver Queen is incarcerated at Slabside Maximum Security Prison.Roy Stewart
General Roy Stewart (portrayed by Ernie Hudson) is John Diggle's step-father and a former U.S. Marine Corps lieutenant, who works in the Defense Intelligence Agency. He is introduced in ''Arrow's'' seventh season, in the episode "Spartan". He and Diggle have a strained relationship caused by Diggle's belief that Stewart abandoned his father during an operation, which led to his death, as well as the rigorous marine training he put the Diggle brothers through after marrying their mother. Actually, Diggle's father's death was caused by his own negligence and Stewart saved the rest of the unit, but Stewart has not corrected Diggle's view of the situation, wanting him to see his father as a hero. When Diggle learns what really happened, he and Stewart make amends.T
Jeremy Tell / Double Down
Jeremy Tell / Double Down (portrayed by JR Bourne) is a metahuman who can turn his playing card tattoos into weapons.Eobard Thawne / Reverse Flash
Eobard Thawne / Reverse Flash (portrayed by Tom Cavanagh) is an enemy of Flash who impersonates Harrison Wells.William Tockman / Clock King
William Tockman / Clock King (portrayed by Robert Knepper) is a criminal mastermind.Ben Turner / Bronze Tiger
Ben Turner / Bronze Tiger (portrayed by Michael Jai White) is an assassin who uses metal claws as weapons and subsequently becomes a member of the Suicide Squad. While it was said that he died during a Suicide Squad mission in the comics, Bronze Tiger turns up alive in season seven as an inmate at Slabside Maximum Security Prison. Stanley Dover frames him for stabbing an inmate causing Bronze Tiger to be placed in solitary confinement. When Ricardo Diaz takes control of the prison, Bronze Tiger assists Oliver Queen in fighting the inmates. As Oliver heads out to fight Diaz, Bronze Tiger leads the guards and prisoners to the secure prison yard. After Diaz is defeated and control over the prison is reclaimed, Bronze Tiger returns to his cell to find ''The Count of Monte Cristo'' in his cell as a guard thanks him for his assistance. In the season finale, Turner, having been released from Slabside, helps Team Arrow battle the Ninth Circle.V
Joanna De La Vega
Joanna De La Vega (portrayed by Annie Ilonzeh) is Laurel's friend and co-worker at legal aid firm CNRI.Galina Venediktov
Galina Venediktov (portrayed by Natalia Vasiluk), the mother of Taiana Venediktov and Vlad Venediktov. She works as a maid for Konstantin Kovar, believing that he is looking for her children. When Oliver Queen arrives in Russia and exposes Kovar, revealing to Galina that her children are dead, she gives him a key card to Kovar's casino. When Kovar learns of this, he kills Galina.Taiana Venediktov
Taiana Venediktov (portrayed by Elysia Rotaru), the daughter of Galina Venediktov and the sister of Vlad Venediktov. She is a woman whose life Oliver saves in the flashbacks, faking her death to protect her from Shadowspire. Oliver kills her brother, who Conklin had sent to attack him, and initially tries to hide it from Taiana. After they get caught by Conklin, Oliver is tortured, and they are both imprisoned. While Taiana is taking care of his wounds—and after Shado appears in his dreams, telling Oliver to do the right thing—he confesses. She later helps Oliver escape as they manage to steal the idol from Reiter, but the idol's power begins to corrupt Taiana. Realizing she cannot control it, she asks Oliver to kill her, and he does.Vlad Venediktov
Vlad Venediktov (portrayed by Zoran Vukelic), the son of Galina Venediktov and the brother of Taiana Venediktov. He is sent by Conklin to kill Oliver Queen, but fails and is killed himself.Viktor
Viktor (portrayed by Mike Dopud) is a member of the Bratva who appears in the flashbacks. He is eventually killed by Konstantin Kovar.Virgil
Virgil (portrayed by Christopher Gerard) is a member of the Ninth Circle, who works as an intermediary for Dante. Following Dante's death, Virgil appears to take over his role as Emiko Queen's second-in-command until turning on her in the season seven finale.W
J.G. Walker
J.G. Walker (portrayed by Garry Chalk) is a corrupt US Army general who frames Diggle to conceal his own illegal arms dealing, which is ultimately exposed.Amanda Waller
Amanda Waller (portrayed by Cynthia Addai-Robinson) is the leader ofLiza Warner
Liza Warner (portrayed by Rutina Wesley) is a member of the anti-vigilante task force which has gone rogue.Samanda Watson
Samanda Watson (portrayed by Sydelle Noel) is an FBI agent investigating the vigilantes of Star City. Watson first arrives in Star City after a leaked photo of Oliver Queen as Green Arrow is exposed to the media. Although the photo was proven to be a fake, Watson remains suspicious of Oliver and chooses to stay behind in Star City to look further into Team Arrow as a whole. Eventually, Oliver comes clean to Samanda about it when he and the FBI work together to apprehend those involved with Ricardo's plot. Oliver agreed to turn himself over to her in exchange that the rest of Team Arrow is spared. In season seven, Felicity approaches Samanda where she states that Ricardo Diaz has resurfaced and asks for the FBI's help in bringing down Diaz. She was reluctant at first until the Longbow Hunters attacked a CDC facility. After Red Dart and Kodiak get away while Silencer is secretly apprehended by Wild Dog, Samanda is reassigned to desk duty in Washington DC.Chien Na Wei / China White
Chien Na Wei / China White (portrayed by Kelly Hu) is a Chinese Triad leader who has a grudge against Arrow for defeating her in combat during their first encounter. However, Oliver actually met her in Hong Kong two years prior, shown during the season three flashbacks. He helps capture her when she comes to Starling City. In season five, she escaped from prison with Carrie Cutter and Liza Warner but is later recaptured by Green Arrow and his team. She was briefly a member of "Ghost Initiative" in season 7 when A.R.G.U.S attempted to catch a terrorist financier Dante. In season 8, she got out of A.R.G.U.S and is working for the Chinese triad. She and her goons attempt to get Dr. Robert Wong and his recreated project Alpha/Omega virus. During the battle between her and Tatsu Yamashiro / Katana, the former attempts to kill her, but is thrown in the water by Laurel Lance of Earth-2 when using sonic scream.Harrison Wells (Earth-2)
Dr. Harrison "Harry" Wells (portrayed by Tom Cavanagh) is a renowned scientist from Earth-2 and an ally of Team Flash. Wells is also a parallel universe counterpart of Earth-1's Dr. Harrison Wells, who was murdered by Eobard Thawne.Iris West-Allen
Iris West-Allen (portrayed by Candice Patton) is a member of the S.T.A.R. Labs team and the wife of Barry Allen. Patton reprises her role from ''The Flash''.Alena Whitlock
Alena Whitlock (portrayed by Kacey Rohl) also known as Kojo Sledgehammer, is a member of the Helix hacking organization who attempts to recruit Felicity to their ranks after helping her clear Diggle's name. She later aligns with Team Arrow after Cayden James is driven insane by the loss of his son, and works with Felicity in battling James' cabal. In season seven, Felicity hires her as chief technology officer of Smoak Technologies. Alena is revealed to be responsible for Star City's dire situation in the 2040 flashforwards as she stole Felicity's Archer security program and sold it to Galaxy One.Susan Williams
Susan Williams (portrayed by Carly Pope) is a reporter from Coast City (Arrowverse), Coast City for Channel 52 news, who becomes interested in Oliver and the Green Arrow. She later becomes his love interest.Joe Wilson
Joe Wilson (portrayed by Liam Hall), also known as Kane Wolfman, is the son of Slade Wilson and a former ASIS operative who is the leader of a Russian gang known as the Jackals which specializes in the collection of powerful weapons.Billy Wintergreen / Deathstroke
Billy Wintergreen (portrayed by Jeffrey Robinson) is Slade Wilson's partner in the ASIS, who betrays him and joins Fyers. He is later killed by Slade in the first season finale. He returns in the season eight episode "Purgatory" where Team Arrow and Lyla Michaels encounter Wintergreen, Fyers and his group on Lian Yu when the energy build-up restored them. When Lyla activates the weapon that is tied to her DNA, the energies are absorbed causing Wintergreen, Fyers and his group to disappear.Y
Maseo Yamashiro / Sarab
Maseo Yamashiro / Sarab (portrayed by Karl Yune) was Oliver's handler and later good friend during his time in Hong Kong. He becomes estranged from his wife, Tatsu Yamashiro, after the death of their son, Akio, and joins the League of Assassins as "Sarab". However he remains loyal to Oliver and covertly ensures his survival after his duel with Raʾs al Ghul, and still loves Tatsu. Despite this he is loyal to Raʾs and becomes a key leader in the League's mission to force Oliver to take Raʾs place, going as far as to kill the Starling City mayor to frame him. He is eventually killed by Tatsu after a sword-fight, finally relieved from the agony of his son's death.Tatsu Yamashiro
Tatsu Yamashiro (portrayed by Rila Fukushima) is a mentor to Oliver during his time in Hong Kong. Devon Aoki was originally cast in the role but left due to a scheduling conflict. She is the wife of Maseo Yamashiro. In the present day, her relationship with her husband is estranged after the death of their son and she joins the Crescent Order after returning to Japan. She nurses Oliver back to health after he is nearly killed by Raʾs al Ghul. Tatsu supports Team Arrow during their war with the League of Assassins. After a short sword-fight with her husband, she kills Maseo and mourns him. She later helps Nyssa and Oliver in curing Thea from the effects of the Lazarus Pit.Z
Werner Zytle / Vertigo
Werner Zytle / Vertigo (portrayed by Peter Stormare) is the new purveyor of the drug Vertigo after the death of The Count in season two. Zytle seeks to kill Arrow in a bid to raise his profile as a crime lord, but is defeated after encountering the Canary sisters (Laurel and Sara Lance); he becomes their enemy and seeks reprisal against the Canaries.References
External links