Marshall Efron
- Rob the Mob
2014 Little Anthony
- City Island
2009 Actor-Dog
- Horton Hears a Who!
2008 Wickersham Guard 1 (voice)
- Ice Age: The Meltdown
2006 Start Dad (voice)
- Robots
2005 Lamppost / Toilet Bot / Bass Drum / Microphone
- The Thing About My Folks
2005 Tow Truck Driver
- Home on the Range
2004 Larry (voice)
- Marie and Bruce
2004 Ed
- A Piece of Eden
2000 Andres
- Two Family House
2000 Tiny
- Amazing Stories: The Movie III
1998 Burglar (voice)
- Cafe Society
1997 Moe Persky
- The Road to Wellville
1994 Bartholomew Bookbinder
- Flapjack Floozie
1988 Eddie
- Talking Walls
1987 Erwin
- The Ten-Year Lunch
1987 Alexander Woollcott (voice)
- Fluppy Dogs
1986 Stanley (voice)
- The Richest Cat in the World
1986 Writer
- Bad Manners
1984 Cab Driver
- Spalding Gray's Map of L.A.
1984 Writer
- Harold and His Amazing Green Plants
1984 Tomato (voice)
- The Big Bang
1984 The Comrade in Chief
- The Smurfs: Baby's First Christmas
1983 Sloppy Smurf (voice)
- The First Time
1983 Nick Rand
- Twice Upon a Time
1983 Synonamess Botch (voice)
- The Elephant
1982 Elephant
- Shogun Assassin
1980 Voice (voice)
- California Dreaming
1979 Ruben
- Sitcom: The Adventures of Garry Marshall
1979 Thanks
- Why Me?
1978 Mr. Spoon
- Baby Blue Marine
1976 Cook
- The Faking of the President
1976 Donald Segretti
- June Moon
1974 Window Cleaner
- Much Ado About Nothing
1973 Balthasar
- Bang the Drum Slowly
1973 Bradley
- Blade
1973 Fat Man
- The Catcher
1972 Shooting Gallery Attendant
- THX 1138
1971 TWA
- Doc
1971 Mexican Bartender
- Is There Sex After Death?
1971 Vince Domino
- Pound
1970 Dachshund
- Sticky My Fingers ... Fleet My Feet
1970 Young Man
- Funnyman
1967 Sid, Photographer
