| Ano | Nota | Título | Personagem |
|---|---|---|---|
| 2015 | 3-D Rarities | Alfred Davidson (archive footage) | |
| 1997 | Bogart: The Untold Story | Self (archive footage) | |
| 1993 | The Best Of Danny Kaye - The Television Years | Self (archive footage) | |
| 1991 | Preminger: Anatomy of a Filmmaker | Self | |
| 1991 | The Perfect Tribute | Edward Everett | |
| 1990 | Old Explorers | Warner Watney | |
| 1990 | Comando Ryan | Rallis | |
| 1989 | Mother's Day | Judge Leatham | |
| 1988 | Strange Interlude | Professor Leeds | |
| 1987 | O Mágico Maravilhoso | Dr. Tybalt Grimaldi | |
| 1987 | El sol y la luna | - | |
| 1986 | Sangue e Orquídeas | Walter Bergman | |
| 1985 | Pacto do Terror | Victor Noble | |
| 1985 | Jacques Cousteau: The First 75 Years | Narrator (voice) | |
| 1985 | Seduced | James Killian | |
| 1985 | A Polícia de Hitler: Um Retrato do Mal | Prof. Ludwig Rosenberg | |
| 1984 | Duna | Padisha Emperor Shaddam IV | |
| 1984 | Samson and Delilah | The High Priest | |
| 1984 | Justiça Selvagem | Dr. Hector Lomelin | |
| 1984 | Raíces eternas | English Narrator | |
| 1983 | Sou ou Não Sou? | Prof. Siletski | |
| 1983 | A Noite do Medo | Mayor Gordon Lane | |
| 1983 | The Wind in the Willows | Badger (voice) | |
| 1983 | Blood Feud | Edward Bennett Williams | |
| 1983 | The Horror of It All | Self / Narrator | |
| 1983 | This Girl for Hire | Harrison Wooly | |
| 1982 | Rodin: The Gates of Hell | Self - Rodin(voice) | |
| 1982 | Blood Tide | Nereus | |
| 1982 | Sonhos Eróticos de Uma Noite de Verão | Leopold | |
| 1982 | And They're Off | Martin Craig | |
| 1982 | Night of 100 Stars | Self | |
| 1981 | Aniversário Sangrento | Doctor | |
| 1981 | Berlin Tunnel 21 | Martin Komansky | |
| 1981 | Evita | Agustin Magaldi | |
| 1980 | Pleasure Palace | 'Pokey' | |
| 1980 | O Grande Lutador | Dominici | |
| 1980 | Gideon's Trumpet | Abe Fortas | |
| 1980 | The Murder That Wouldn't Die | Jeff Briggs | |
| 1979 | Natural Enemies | Harry Rosenthal | |
| 1979 | O Quinto Mosqueteiro | Athos | |
| 1979 | UFOs: It Has Begun | - | |
| 1979 | Uma Vida em Pecado | - | |
| 1978 | Fame | Francesco | |
| 1978 | Fedora | Doctor Vando | |
| 1978 | O Enxame | Dr. Andrews | |
| 1978 | O Fantástico Capitão Nemo | Captain Nemo | |
| 1977 | Simple Gifts | Narrator (segment "A Memory of Christmas") (voice) | |
| 1977 | The Private Files of J. Edgar Hoover | Lionel McCoy | |
| 1977 | Exo-Man: O Homem de Aço | Kermit Haas | |
| 1977 | Zoltan - O Cão Vampiro de Drácula | Inspector Branco | |
| 1977 | Who Has Seen the Wind | The Ben | |
| 1977 | A Sentinela dos Malditos | Priest of the Brotherhood | |
| 1976 | O Engavetamento do Século | Marc Denne | |
| 1976 | A Viagem dos Condenados | Manuel Benitez | |
| 1976 | As Incríveis Peripécias do Ônibus Atômico | Ironman | |
| 1976 | Paco | Fermin Flores | |
| 1976 | Truman at Potsdam | Josef Stalin | |
| 1975 | The Art of Crime | Beckwith Sloan | |
| 1975 | Rickles | - | |
| 1975 | Medical Story | Dr. William Knowland | |
| 1975 | El clan de los inmorales | Inspector Reed | |
| 1975 | e’Lollipop | Father Alberto | |
| 1975 | The Missing Are Deadly | - | |
| 1974 | Cyrano | Cyrano de Bergerac (voice) | |
| 1973 | The Marcus-Nelson Murders | Jake Weinhaus | |
| 1971 | Crosscurrent | Dr. Charles Bedford | |
| 1971 | Gideon | Angel of the Lord | |
| 1971 | Banyon | Lee Jennings | |
| 1970 | The Aquarians | Dr. Alfred Vreeland | |
| 1968 | The Little Drummer Boy | Ben Haramed (voice) | |
| 1968 | A Case of Libel | Boyd Bendix | |
| 1967 | Cervantes | Hassan Bey | |
| 1967 | Kismet | Hajj | |
| 1967 | Enter Laughing | Harrison B. Marlowe | |
| 1965 | A Nau dos Insensatos | Rieber | |
| 1965 | A Maior História de Todos os Tempos | Herod Antipas | |
| 1964 | Cyrano et d'Artagnan | Cyrano de Bergerac | |
| 1963 | Verspätung in Marienborn | Cowan the Reporter | |
| 1963 | Nove Horas até a Eternidade | Superintendent Das | |
| 1962 | Lawrence da Arábia | Turkish Bey | |
| 1962 | Feira de Ilusões | Director | |
| 1961 | Return to Peyton Place | Director | |
| 1958 | The High Cost of Loving | Jim Fry | |
| 1958 | The High Cost of Loving | Director | |
| 1958 | I Accuse! | Captain Alfred Dreyfus | |
| 1958 | I Accuse! | Director | |
| 1957 | Quatro Garotas, Quatro Destinos | Director | |
| 1956 | The Great Man | Joe Harris | |
| 1956 | The Great Man | Director | |
| 1956 | The Great Man | Screenplay | |
| 1955 | Os Sobreviventes | Major Stringer | |
| 1955 | Os Sobreviventes | Director | |
| 1955 | The Shrike | Jim Downs | |
| 1955 | The Shrike | Director | |
| 1954 | Bem no Meu Coração | Sigmund Romberg | |
| 1954 | A Nave da Revolta | Lt. Barney Greenwald | |
| 1953 | Mulher de Satã | Alfred Davidson | |
| 1952 | Moulin Rouge | Henri de Toulouse-Lautrec | |
| 1952 | Anything Can Happen | Giorgi Papashvily | |
| 1950 | Cyrano de Bergerac | Cyrano de Bergerac | |
| 1950 | Terra em Fogo | Raoul Farrago | |
| 1950 | Cada Vida... Seu Destino | José (uncredited) | |
| 1950 | A Ladra | David Korvo | |
| 1948 | Joana D'Arc | The Dauphin, Charles VII, later King of France | |
| 1946 | Bolivia | Narrator |