Filmography
| Year | Title | Role |
| 2025 | SEGAL (2025) | Self |
| 2014 | Elsa & Fred | John |
| 2010 | Love and Other Drugs | Dr. James Randall |
| 2009 | 2012 | Tony Delgatto |
| 2005 | Heights | Rabbi Mendel |
| 1996 | Flirting with Disaster | Mr. Coplin |
| 1996 | The Cable Guy | Steven's Father |
| 1996 | It's My Party | Paul Stark |
| 1996 | The Mirror Has Two Faces | Henry Fine |
| 1994 | Army of One (1994) | Lt. Franklin L. Severence |
| 1993 | Look Who's Talking Now | Albert |
| 1991 | For the Boys | Art Silver |
| 1989 | Look Who's Talking | Albert |
| 1985 | Not My Kid | Dr. Frank Bower |
| 1985 | Stick | Barry |
| 1978 | Who Is Killing the Great Chefs of Europe? | Robby Ross |
| 1977 | Fun with Dick and Jane (2005) | Dick Harper |
| 1977 | Rollercoaster | Harry Calder |
| 1975 | The Black Bird | Sam Spade Jr. |
| 1974 | California Split | Bill Denny |
| 1974 | The Terminal Man | Harry Benson |
| 1973 | Blume in Love | Stephen Blume |
| 1973 | A Touch of Class | Steve Blackburn |
| 1972 | The Hot Rock | Kelp |
| 1971 | Born to Win | J |
| 1970 | Where's Poppa? | Gordan Hocheiser |
| 1970 | Loving (1970) | Brooks Wilson |
| 1970 | The Owl and the Pussycat | Felix |
| 1969 | The Southern Star | Dan |
| 1969 | The Bridge at Remagen | Lieutenant Phil Hartman |
| 1968 | Bye Bye Braverman | Morroe Rieff |
| 1968 | No Way to Treat a Lady | Morris Brummel |
| 1967 | The St. Valentine's Day Massacre | Peter Gusenberg |
| 1966 | Who's Afraid of Virginia Woolf? | Nick |
| 1966 | The Quiller Memorandum | Quiller |
| 1966 | Lost Command | Lt. Mahidi |
| 1965 | Ship of Fools | David |
| 1963 | Act One | Lester Sweyd |