Bud Cort
- Affections
2016
- The Little Prince
2015 The King (voice)
- The Number 23
2007 Dr. Sirius Leary
- The Life Aquatic with Steve Zissou
2004 Bill Ubell
- The Big Empty
2003 Neely
- The Million Dollar Hotel
2000 Shorty
- But I'm a Cheerleader
2000 Peter
- South of Heaven, West of Hell
2000 Agent Otts
- Pollock
2000 Howard Putzel
- Coyote Ugly
2000 Romero
- Dogma
1999 John Doe Jersey
- I Woke Up Early the Day I Died
1998 Shopkeeper
- Sweet Jane
1998 Dr. Geiler
- Jitters
1997 Michael
- Theodore Rex
1995 Spinner
- Crazy for a Kiss
1995 Dr. Webb
- Girl in the Cadillac
1995 Bud
- Heat
1995 Solenko, Restaurant Manager (uncredited)
- And the Band Played On
1993 Antique Shop Owner
- Carol Leifer: Gaudy, Bawdy & Blue
1992 Squid Jr.
- Ted & Venus
1991 Director
- Brain Dead
1990 Jack Halsey
- Out of the Dark
1988 Dave Stringer
- The Chocolate War
1988 Brother Jacques
- Martini Ranch: Reach
1988 Recording Supervision
- Bates Motel
1987 Alex West
- Love at Stake
1987 Parson Babcock
- Invaders from Mars
1986 Mark Weinstein
- Telephone
1986
- Electric Dreams
1984 Edgar (voice)
- Maria's Lovers
1984 Harvey
- The Secret Diary of Sigmund Freud
1984 Sigmund Freud
- The Nightingale
1983 Music Master
- Love Letters
1983 Danny De Fronso
- Hysterical
1982 Dr. John
- Rumpelstiltskin
1982 The Page
- She Dances Alone
1981 Dramaturgy
- Brave New World
1980 Bernard Marx
- Die Laughing
1980 Mueller
- Son of Hitler
1979 Willi Hitler
- Why Shoot the Teacher?
1977 Max Brown
- Bernice Bobs Her Hair
1976 Warren
- Hallucination Strip
1975 Massimo Monaldi
- Harold and Maude
1971 Harold
- Brewster McCloud
1971 Brewster
- The Strawberry Statement
1970 Elliot
- The Traveling Executioner
1970 Jimmy Croft
- M*A*S*H
1970 Pvt. Warren Boone
- Sweet Charity
1969 Flower Child (uncredited)
- Up the Down Staircase
1967 Student
