- The Modern Adventures of Tom Sawyer
1998 Grumpy Old Man
- Second Chance
1996 Dr. Josef Stiggens
- Assault of the Party Nerds II
1995 Witherspoon
- Captiva Island
1995 Ernie
- Evil Toons
1992 Mr. Hinchlow
- Munchie
1992 Prof. Cruikshank
- Evil Spirits
1991 Lester Potts
- The Raven Red Kiss-Off
1990 Pedro Criqui
- Tax Season
1988 Lionel Goldberg
- A Night at the Magic Castle
1988 Harry Houdini
- Scooby-Doo! Meets the Boo Brothers
1987 Farquard / Skull Ghost (voice)
- Star Fairies
1985 Dragon Head #2 (voice)
- What Comes Around
1985 Malone
- Cannonball Run II
1984 Pilot
- Making of a Male Model
1983 Marty Sampson
- Tales of the Apple Dumpling Gang
1982 Theodore Oglivie
- Creole
1981 Alligator
- Detour to Terror
1980 Harry Edwards
- The Love Tapes
1980 Harlan Devane
- The Incredible Book Escape
1980 King / Dragon / Lord Garp / Prince (voice)
- A Snow White Christmas
1980 Brawny (voice)
- If Things Were Different
1980 Allen Dunn
- Love at First Bite
1979 Mr. Renfield
- A Walking Tour of Sesame Street
1979 German Soldier (Wolfgang) (archive footage) (uncredited)
- Bud and Lou
1978 Eddie Sherman
- Charge of the Model T's
1977 Doc Bailey
- Bunco
1977
- Twice in a Lifetime
1974 Ron Talley
- The Bear Who Slept Through Christmas
1973 Professor Werner von Bear (voice)
- The 5th Dimension Special: An Odyssey in the Cosmic Universe of Peter Max
1970 Caretaker of the Land of Lost Things / Magic Mirror
- Freeze-In
1969
- P.J.
1968 Jackie
- Vienna
1968
- The Legend of Robin Hood
1968 Much
- The President's Analyst
1967 Sullivan
- The Third Day
1965 Lester Aldrich
- That Funny Feeling
1965 Paul
- The Subterraneans
1960 Arial Lavalerra
- Miracle in the Rain
1956 Monte
