| 2015 | Kiss Kiss Fingerbang | Cat Owner | ★ 5.8 |
| 2014 | Magician: The Astonishing Life and Work of Orson Welles | Self - Actor | ★ 6.7 |
| 2013 | A Fuller Life | Self - Reader (segment "The Pursuit of Happiness") | ★ 6.6 |
| 2013 | Mel Brooks: Make a Noise | Self | ★ 8.2 |
| 2013 | Passion for Snow | Narrator | ★ 0.0 |
| 2012 | Casting By | Self | ★ 7.1 |
| 2011 | A Bird of the Air | Duncan Weber | ★ 6.6 |
| 2009 | American Swing | Self | ★ 5.1 |
| 2009 | It Came from Kuchar | Self | ★ 7.0 |
| 2007 | Students of 'The Graduate' | Self | ★ 0.0 |
| 2004 | The Last Shot - Die letzte Klappe | Lonnie Bosco | ★ 5.7 |
| 2002 | Reel Radicals: The Sixties Revolution in Film | Self (uncredited) | ★ 0.0 |
| 2001 | Weil es Dich gibt | Customer at Bloomingdales (uncredited) | ★ 7.0 |
| 2001 | Stadt, Land, Kuss | Suttler | ★ 4.4 |
| 2000 | The Directors: Milos Forman | Self | ★ 0.0 |
| 2000 | Lisa Picard Is Famous | Buck Henry | ★ 5.1 |
| 1999 | Breakfast of Champions - Frühstück für Helden | Fred T. Barry | ★ 5.1 |
| 1998 | Untermieter aus dem Jenseits | Charles Van Allsburg | ★ 5.0 |
| 1998 | I'm Losing You | Phillip Dagrom | ★ 4.9 |
| 1998 | Echt Blond | Dr. Leuter | ★ 5.5 |
| 1998 | Playboy: The Story of X | Self - Host | ★ 6.3 |
| 1997 | 1999 | Mr. Goldman | ★ 4.0 |
| 1996 | Shakespeare's Plan 12 from Outer Space | The Priest | ★ 0.0 |
| 1995 | To Die For | Mr. H. Finlaysson | ★ 6.6 |
| 1995 | I.Q.-Runner - Aufstand der Untermenschen | TV Producer | ★ 6.8 |
| 1995 | Shotgun Freeway: Drives Through Lost L.A. | self | ★ 0.0 |
| 1994 | Even Cowgirls Get the Blues | Dr. Dreyfus | ★ 4.4 |
| 1993 | Ein verrücktes Paar | Snyder | ★ 6.7 |
| 1993 | Short Cuts | Gordon Johnson | ★ 7.2 |
| 1992 | Mastergate | Clay Fielder | ★ 2.0 |
| 1992 | Tal der Pferde | Smitty | ★ 6.0 |
| 1992 | The Player | Buck Henry | ★ 7.2 |
| 1992 | 'The Graduate' at 25 | Self | ★ 6.0 |
| 1992 | The Lounge People | Lewis Louis | ★ 0.0 |
| 1991 | Houdini & Company - Der Geist des Magiers | Cecil | ★ 6.9 |
| 1991 | Rendezvous im Jenseits | Dick Stanley | ★ 6.9 |
| 1991 | The Republic Pictures Story | Self | ★ 0.0 |
| 1990 | Julia und ihre Liebhaber | Father Serafim | ★ 5.3 |
| 1989 | Saturday Night Live: 15th Anniversary | Self | ★ 7.5 |
| 1989 | Rude Awakening | Lloyd Stool | ★ 4.6 |
| 1987 | Aria | Preston | ★ 5.5 |
| 1985 | The Best of John Belushi | Various Characters | ★ 6.0 |
| 1984 | Steve Martin: Homage to Steve | Self | ★ 6.4 |
| 1982 | Eating Raoul | Mr. Leech | ★ 6.5 |
| 1981 | Strong Medicine | | ★ 5.6 |
| 1980 | Ene Mene Mu und Präsident bist du | Father Sandstone / TV Anchorman | ★ 3.0 |
| 1980 | Gloria, die Gangsterbraut | Jack Dawn | ★ 6.9 |
| 1979 | Playboy's 25th Anniversary Celebration | Self | ★ 1.0 |
| 1979 | Diane | Art Kopple | ★ 5.0 |
| 1978 | Der Himmel soll warten | The Escort | ★ 6.6 |
| 1977 | The Absent-Minded Waiter | Bernie Cates | ★ 6.5 |
| 1976 | Der Mann, der vom Himmel fiel | Oliver Farnsworth | ★ 6.5 |
| 1973 | Der Tag des Delphins | Man Standing Outside Women's Club (uncredited) | ★ 5.8 |
| 1971 | Is There Sex After Death? | Dr. Louise Manos | ★ 3.7 |
| 1971 | Taking Off | Larry Tyne | ★ 6.9 |
| 1971 | Nedostaje mi Sonja Henie | Doctor | ★ 5.7 |
| 1970 | Die Eule und das Kätzchen | Man Looking Through Doubleday's Bookstore (uncredited) | ★ 6.2 |
| 1970 | Catch-22 - Der böse Trick | Lt. Col. Korn | ★ 6.7 |
| Mary Woronov: Cult Queen | | ★ 0.0 |
| SEGAL | Self | ★ 0.0 |
| 1968 | Candy | Mental Patient (uncredited) | ★ 5.2 |
| 1968 | Der Etappenheld | Stockade Commandant | ★ 6.0 |
| 1967 | Die Reifeprüfung | Room Clerk | ★ 7.6 |
| 1964 | The Troublemaker | T. R. Kingston | ★ 5.1 |
