Filmography
| Year | Title | Role |
| 1984 | Dune (1984) | Padishah Emperor Shaddam IV |
| 1983 | To Be or Not to Be (1983) | Prof. Siletski |
| 1983 | The Being | Mayor Gordon Lane |
| 1982 | A Midsummer Night's Sex Comedy | Leopold |
| 1981 | Blood Tide | Nereus |
| 1981 | Bloody Birthday | Doctor |
| 1980 | Gideon's Trumpet | Abe Fortas |
| 1980 | Battle Creek Brawl | Dominici |
| 1978 | Fedora | Doctor Vando |
| 1978 | The Amazing Captain Nemo | Captain Nemo |
| 1978 | The Swarm | Dr. Andrews |
| 1978 | The Private Files of J. Edgar Hoover | Lionel McCoy |
| 1977 | The Sentinel | Priest of the Brotherhood |
| 1977 | Zoltan, Hound of Dracula | Inspector Branco |
| 1976 | The Big Bus | Ironman |
| 1976 | Voyage of the Damned | Manuel Benitez |
| 1975 | The Art of Crime | Beckwith Sloan |
| 1971 | Banyon | Lee Jennings |
| 1970 | Aquarians | Dr. Alfred Vreeland |
| 1968 | VeggieTales: The Little Drummer Boy | Ben Haramed |
| 1967 | Enter Laughing | Harrison B. Marlowe |
| 1965 | Ship of Fools | Rieber |
| 1965 | The Greatest Story Ever Told | Herod Antipas |
| 1962 | State Fair | Director |
| 1962 | ArcLight Presents...Lawrence Of Arabia | Turkish Bey |
| 1958 | The High Cost of Migration | Jim "Jimbo" Fry |
| 1955 | The Cockleshell Heroes | Major Stringer |
| 1954 | The Caine Mutiny | Lt. Barney Greenwald |
| 1954 | Miss Sadie Thompson | Alfred Davidson |
| 1952 | Moulin Rouge (1953) | Henri de Toulouse-Lautrec/The Comte de Toulouse-Lautrec |
| 1952 | Anything Can Happen | Giorgi Papashvily |
| 1950 | Crisis (1950) | Raoul Farrago |
| 1950 | Cyrano de Bergerac (1950) | Cyrano de Bergerac |
| 1949 | Whirlpool | David Korvo |
| 1948 | The Trials Of Joan Of Arc | King Charles VII |
