 Affections2016 · Actor | Actor |
 The Little Prince2015 · The King (voice) | The King (voice) |
 The Number 232007 · Dr. Sirius Leary | Dr. Sirius Leary |
 The Life Aquatic with Steve Zissou2004 · Bill Ubell | Bill Ubell |
 The Big Empty2003 · Neely | Neely |
 Pollock2000 · Howard Putzel | Howard Putzel |
 Coyote Ugly2000 · Romero | Romero |
 But I'm a Cheerleader2000 · Peter | Peter |
 The Million Dollar Hotel2000 · Shorty | Shorty |
 South of Heaven, West of Hell2000 · Agent Otts | Agent Otts |
 Dogma1999 · John Doe Jersey | John Doe Jersey |
 I Woke Up Early the Day I Died1998 · Shopkeeper | Shopkeeper |
 Sweet Jane1998 · Dr. Geiler | Dr. Geiler |
 Jitters1997 · Michael | Michael |
 Heat1995 · Solenko, Restaurant Manager (uncredited) | Solenko, Restaurant Manager (uncredited) |
 Theodore Rex1995 · Spinner | Spinner |
 Girl in the Cadillac1995 · Bud | Bud |
 Crazy for a Kiss1995 · Dr. Webb | Dr. Webb |
 And the Band Played On1993 · Antique Shop Owner | Antique Shop Owner |
| CCarol Leifer: Gaudy, Bawdy & Blue1992 · Squid Jr. | Squid Jr. |
 Ted & Venus1991 · Ted Whitley, Director, Screenplay | Ted Whitley, Director, Screenplay |
 Brain Dead1990 · Jack Halsey | Jack Halsey |
 The Chocolate War1988 · Brother Jacques | Brother Jacques |
 Out of the Dark1988 · Dave Stringer, Stringer | Dave Stringer, Stringer |
 Martini Ranch: Reach1988 · Crazy Local | Crazy Local |
 Love at Stake1987 · Parson Babcock | Parson Babcock |
 Bates Motel1987 · Alex West | Alex West |
 Invaders from Mars1986 · Mark Weinstein | Mark Weinstein |
 Telephone1986 · Actor | Actor |
 Electric Dreams1984 · Edgar (voice) | Edgar (voice) |
 Maria's Lovers1984 · Harvey | Harvey |
 The Secret Diary of Sigmund Freud1984 · Sigmund Freud | Sigmund Freud |
 The Nightingale1983 · Music Master | Music Master |
 Love Letters1983 · Danny De Fronso | Danny De Fronso |
 Hysterical1982 · Dr. John | Dr. John |
 Rumpelstiltskin1982 · The Page | The Page |
 She Dances Alone1981 · Director | Director |
 Die Laughing1980 · Mueller | Mueller |
 Brave New World1980 · Bernard Marx | Bernard Marx |
 Son of Hitler1979 · Willi Hitler | Willi Hitler |
 Why Shoot the Teacher?1977 · Max Brown | Max Brown |
 Bernice Bobs Her Hair1976 · Warren | Warren |
 Hallucination Strip1975 · Massimo Monaldi | Massimo Monaldi |
 Harold and Maude1971 · Harold | Harold |
 Brewster McCloud1971 · Brewster | Brewster |
 The Traveling Executioner1970 · Jimmy Croft | Jimmy Croft |
 Gas! -Or- It Became Necessary to Destroy the World in Order to Save It.1970 · Hooper | Hooper |
 The Strawberry Statement1970 · Elliot | Elliot |
 M*A*S*H1970 · Pvt. Warren Boone | Pvt. Warren Boone |
 Sweet Charity1969 · Flower Child (uncredited) | Flower Child (uncredited) |
 Up the Down Staircase1967 · Student | Student |
