In 1967, Lewis played the part of Zalto the wizard in the "Lost in Space" episode "Rocket to Earth". His first role in a movie was as Machine Gun Manny in "Pretty Boy Floyd" (1960). He had small roles in "The World of Henry Orient" (1964), "They Shoot Horses, Don't They?" (1969), "They Might Be Giants" (1971). He appeared as Hanging Judge Harrison in "Used Cars" (1980), played a security guard on an episode of "Taxi", and had a minor role in "Married to the Mob" (1988). His last film role was in "Night Terror" (2002).