Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | X-Men - Conflitto finale | 2006 | Warren Worthington II |
| Actor | Batman - Il ritorno | 1992 | The Mayor |
| Actor | Sotto assedio - White House down | 2013 | Vice President Hammond |
| Actor | Magnolia | 1999 | Alan Kligman Esq. |
| Actor | Manhattan | 1979 | Yale |
| Actor | 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 | Ma papà ti manda sola? | 1972 | Mr. Smith |
| Actor | Tart - Sesso, droga e... college | 2001 | Mike Storm |
| Actor | Sotto shock | 1989 | Lt. Don Parker |
| Actor | Away from her - Lontano da lei | 2007 | Aubrey |
| Actor | Private Parts | 1997 | Roger Erlick |
| Actor | I compari | 1971 | Eugene Sears |
| Actor | Indian Horse | 2018 | Father Quinney |
| Actor | Un anno vissuto pericolosamente | 1982 | Pete Curtis |
| Actor | Salvador | 1986 | Ambassador Thomas Kelly |
| Actor | The Bridge | Ed Wycoff | |
| Actor | Fase IV: distruzione Terra | 1974 | James R. Lesko |
| Actor | Una donna tutta sola | 1978 | Martin |
| Actor | Il prestanome | 1976 | Alfred Miller |
| Actor | La finestra sul delitto | 1984 | Rice |
| Actor | Gli Octonauti e le grotte di Sac Actun | 2020 | |
| Writer | Gli Octonauti e le grotte di Sac Actun | 2020 | |
| Producer | Gli Octonauti e le grotte di Sac Actun | 2020 | |
| Actor | Tanner '88 | Jack Tanner | |
| Actor | Fermi tutti cominciamo daccapo! | 1967 | Morley |
| Actor | The Trotsky | 2010 | Frank McGovern |
| Actor | American Experience: Tesla | 2016 | Narrator |
| Actor | Live from Baghdad | 2002 | Tom Johnson |
| Actor | Anche gli uccelli uccidono | 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 | Alla corte di Alice | ||
| Actor | The Caine Mutiny Court-Martial | 1988 | Captain Blakely |
| Actor | Yorga il vampiro | 1970 | Paul |
| Actor | Il compromesso | 1969 | Father Daddy |
| Actor | Amnesia investigativa | 1994 | Dr. Doover |
| Actor | Conto alla rovescia | 1968 | Rick |