Main cast
♦ "The Rainbow" production ♥ Science Fiction Theatre of Liverpool production ♠ Theatr Clwyd ProductionAdditional cast for the Secondary Phase
* Covering the BBC Radio 4 Secondary Phase (1979—1980).Additional cast for the Tertiary to Quintessential Phases
* Covering the BBC Radio 4 radio series 3-5 (2004–2005) and theReferences
* * {{DEFAULTSORT:Hitchhiker's Guide to the Galaxy, The Lists of actors by film series Lists of radio actors Lists of actors by science fiction television series Lists of actors by British television series Cast, Cast lists