2009Nova Express— Narrator (voice)
2001The Firesign Theatre: Weirdly Cool— Self
1992The Future Is Now— Self
1989Money, Power, Murder.— Brant
1988Phantom of the Ritz— Ed Blake
1986Eat or Be Eaten— Professor Buster DeCooth / Fred Stiffner / Barbarian Customs Agent
1985Firesign Theatre Presents 'Hot Shorts'— Various Roles (voice)
1983Nick Danger in the Case of the Missing Yolk— Lt. Bradshaw / Yoey Yolk / Judge Knot
1980Below the Belt— (voice)
1978Petronella— Dragon (voice)
1977Cracking Up— Barbara Halters
1975Everything You Know Is Wrong— Ben Franklin / Prof. Bowman / McGog brother / Pat Hat / Buzz Crumbhunger / Maj. Chuck / Training film narrator
1974Firesign Funnies
1973TV or Not TV
1969Un Homme Qui Me Plaît— Le metteur en scène