Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Gladiator | 2000 | Cassius |
| Actor | Gangs of New York | 2002 | Mr. Schermerhorn |
| Actor | The League of Extraordinary Gentlemen | 2003 | Nigel |
| Actor | Spy Game | 2001 | Harry Duncan |
| Actor | Equilibrium | 2002 | Proctor |
| Actor | Profondo rosso | 1975 | Marcus Daly |
| Actor | Blow-Up | 1966 | Thomas |
| Actor | Barbarella | 1968 | Dildano |
| Actor | Mean Machine | 2001 | Governor |
| Actor | Camelot | 1967 | Mordred |
| Actor | Swindle | 1977 | Robert Clayton |
| Actor | Airwolf: The Movie | 1984 | Dr. Charles Henry Moffet |
| Actor | Murder by Decree | 1979 | Inspector Foxborough |
| Actor | Blessed | 2004 | Earl Sidney |
| Actor | Slap Shot 2: Breaking the Ice | 2002 | Martin Fox |
| Actor | Schöner Gigolo, armer Gigolo | 1978 | Captain Hermann Kraft |
| Director | Schöner Gigolo, armer Gigolo | 1978 | |
| Actor | Eye of the Devil | 1966 | Christian |
| Actor | Beyond Erotica | 1974 | Juan |
| Actor | Last Orders | 2001 | Lenny |
| Actor | Juggernaut | 1974 | Charlie Braddock |
| Actor | The Charge of the Light Brigade | 1968 | Capt. Louis Edward Nolan |
| Actor | The Prince and the Pauper | 1977 | Hugh Hendon |
| Actor | Davy Crockett: Rainbow in the Thunder | 1988 | President Andrew Jackson |
| Director | Davy Crockett: Rainbow in the Thunder | 1988 |