Kevin Sussman

Kevin L. Sussman (born December 4, 1970) is an American actor and comedian. He played Walter on the ABCcomedy-dramaUgly Betty and Stuart Bloom on the CBSsitcomThe Big Bang Theory. Starting with the sixth season of The Big Bang Theory, he was promoted to a series regular. Sussman stars in the series Stuart Fails to Save the Universe, which debuted in July 2026.