Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | X-Men: The Last Stand | 2006 | Warren Worthington II |
| Actor | Batman: Återkomsten | 1992 | The Mayor |
| Actor | White House Down | 2013 | Vice President Hammond |
| Actor | Magnolia | 1999 | Alan Kligman Esq. |
| Actor | Manhattan | 1979 | Yale |
| Actor | According to Greta | 2009 | Joseph |
| Actor | M*A*S*H | 1970 | Capt. Ezekiel Bradbury 'Me Lai' Marston IV |
| Actor | They Came Together | 2014 | Roger |
| Actor | Nashville | 1975 | John Triplette |
| Actor | What's Up, Doc? | 1972 | Mr. Smith |
| Actor | Tart | 2001 | Mike Storm |
| Actor | Shocker | 1989 | Lt. Don Parker |
| Actor | Away from Her | 2007 | Aubrey |
| Actor | Private Parts | 1997 | Roger Erlick |
| Actor | McCabe & Mrs. Miller | 1971 | Eugene Sears |
| Actor | Indian Horse | 2018 | Father Quinney |
| Actor | The Year of Living Dangerously | 1982 | Pete Curtis |
| Actor | Salvador | 1986 | Ambassador Thomas Kelly |
| Actor | The Bridge | Ed Wycoff | |
| Actor | Phase IV | 1974 | James R. Lesko |
| Actor | An Unmarried Woman | 1978 | Martin |
| Actor | The Front | 1976 | Alfred Miller |
| Actor | Cloak & Dagger | 1984 | Rice |
| Actor | Octonauterna och Sac Actun-grottorna | 2020 | |
| Writer | Octonauterna och Sac Actun-grottorna | 2020 | |
| Producer | Octonauterna och Sac Actun-grottorna | 2020 | |
| Actor | Tanner '88 | Jack Tanner | |
| Actor | Double Trouble | 1967 | Morley |
| Actor | The Trotsky | 2010 | Frank McGovern |
| Actor | American Experience: Tesla | 2016 | Narrator |
| Actor | Live from Baghdad | 2002 | Tom Johnson |
| Actor | Brewster McCloud | 1970 | Det. Lt. Frank Shaft |
| Actor | Mayday | 2005 | Captain Randall Williams |
| Actor | Kansas City | 1996 | Henry Stilton |
| Actor | Bad Company | 1995 | William V. 'Smitty' Smithfield |
| Actor | This Is Wonderland | ||
| Actor | The Caine Mutiny Court-Martial | 1988 | Captain Blakely |
| Actor | Count Yorga, Vampire | 1970 | Paul |
| Actor | The Arrangement | 1969 | Father Daddy |
| Actor | Clean Slate | 1994 | Dr. Doover |
| Actor | Countdown | 1968 | Rick |