Filmography
| Year | Title | Role | Notes |
|---|---|---|---|
| 1971 | The Barefoot Executive | Roger | John Ritter's debut |
| 1971 | Scandalous John | Wandell | |
| 1972 | The Other | Rider | |
| 1973 | The Stone Killer | Officer Mort | |
| 1976 | Nickelodeon | Franklin Frank | |
| 1978 | Breakfast in Bed | Paul | |
| 1979 | Americathon | President Chet Roosevelt | |
| 1980 | Hero at Large | Steve Nichols | |
| 1980 | Wholly Moses! | Satan (The Devil) | |
| 1981 | They All Laughed | Charles Rutledge | |
| 1982 | The Flight of Dragons | Peter Dickenson | Voice Direct-to-video |
| 1983 | Sunset Limousine | Alan O'Black | |
| 1985 | Letting Go | Alex | TV Film |
| 1986 | A Smoky Mountain Christmas | Judge Harold Benton | (uncredited) |
| 1987 | Real Men | Bob Wilson/Agent Pillbox, CIA | |
| 1989 | Skin Deep | Zachary 'Zach' Hutton | |
| 1990 | It | Ben Hanscom | |
| 1990 | Problem Child | 'Little' Ben Healy | |
| 1991 | The Real Story of O Christmas Tree | Piney (Voice) | Direct-to-video release |
| 1991 | Problem Child 2 | Ben Healy | |
| 1992 | Noises Off | Garry Lejeune/Roger Tramplemain | |
| 1992 | Stay Tuned | Roy Knable | |
| 1993 | Danielle Steel's Heartbeat | Bill Grant | |
| 1994 | North | Ward Nelson | |
| 1995 | The Colony | Rick Knowlton | |
| 1996 | Sling Blade | Vaughan Cunningham | |
| 1997 | Nowhere | Moses Helper | |
| 1997 | A Gun, a Car, a Blonde | Duncan/The Bartender | |
| 1997 | Hacks | Hank | |
| 1998 | Montana | Dr. Wexler | |
| 1998 | Shadow of Doubt | Steven Mayer | |
| 1998 | I Woke Up Early the Day I Died | Robert Forrest | |
| 1998 | Bride of Chucky | Police Chief Warren Kincaid | |
| 2000 | Panic | Dr. Josh Parks | |
| 2000 | Lost in the Perishing Point Hotel | Christian Therapist | |
| 2000 | Tripfall | Tom Williams | |
| 2000 | Terror Tract | Bob Carter | Segment: Make Me an Offer |
| 2001 | Nuncrackers | Narrator | Direct-to-video |
| 2002 | Tadpole | Stanley Grubman | |
| 2002 | Man of the Year | Bill | |
| 2003 | Manhood | Eli | |
| 2003 | Bad Santa | Bob Chipeska | Posthumously released. |
| 2004 | Clifford's Really Big Movie | Clifford the Big Red Dog (Voice) | Posthumously released. |
| 2006 | Stanley's Dinosaur Round-Up | Great Uncle Stew (Voice) | Posthumous direct-to-video release |
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