Filmography
| Year | Title | Role |
| 2015 | Remember (2016) | Max Rosenbaum |
| 2012 | Frankenweenie | Mr. Rzykruski |
| 2010 | Ivory | Leon Spencer |
| 2009 | 9 (2009) | 2 |
| 2008 | City of Ember | Sul |
| 2008 | David & Fatima | Rabbi Schmulic |
| 2008 | Billy: The Early Years | Charles Templeton - older |
| 2008 | Lovely, Still | Robert Malone |
| 2008 | Harrison Montgomery | Harrison Montgomery |
| 2004 | Wake | Older Sebastian Riven |
| 2004 | The Aryan Couple | Joseph Krauzenberg |
| 2003 | Hollywood Homicide | Wasley |
| 2002 | Shanghai Ghetto | Narrator |
| 2001 | The Majestic | Harry Trimble |
| 2000 | Ready to Rumble | Sal Bandini |
| 2000 | Shiner | Frank Spedding |
| 1999 | The Joyriders | Gordon Trout |
| 1999 | EDtv | Al |
| 1998 | Rounders | Abe Petrovsky |
| 1998 | The X-Files | Dr. Alvin Kurtzweil |
| 1996 | The Adventures of Pinocchio | Geppetto |
| 1996 | City Hall | Walter Stern |
| 1994 | Ed Wood | Bela Lugosi |
| 1993 | Sliver | Alex Parsons |
| 1993 | 12:01 | Dr. Thadius Moxley |
| 1989 | Crimes and Misdemeanors | Judah Rosenthal |
| 1988 | Tucker: The Man and His Dream | Abe Karatz/Voice of Walter Winchell on radio |
| 1986 | Kung Fu Movie Madness | John Martin Perkins III |
| 1983 | The Being | Garson Jones |
| 1982 | Alone in the Dark | Byron "Preacher" Sutcliff |
| 1980 | It Came... Without Warning | Fred "Sarge" Dobbs |
| 1976 | Blazing Magnum | Dr. George Tracer |
| 1970 | They Call Me Mister Tibbs! | Logan Sharpe |
| 1966 | Nevada Smith | Jesse Coe |
| 1965 | The Greatest Story Ever Told | Caiaphas |
| 1965 | The Hallelujah Trail | Chief Walks-Stooped-Over |
| 1963 | Cleopatra (1963) | Rufio |
| 1959 | North by Northwest (1959) | Leonard |
| 1959 | Pork Chop Hill | Lt. Marshall |
| 1959 | The Gazebo | The Duke/A. Wellington Broos |