Credits

• 2015 · 3-D Rarities as Alfred Davidson (archive footage)
• 1997 · Bogart: The Untold Story as Self (archive footage)
• 1993 · The Best Of Danny Kaye - The Television Years as Self (archive footage)
• 1991 · Preminger: Anatomy of a Filmmaker as Self
• 1991 · The Perfect Tribute as Edward Everett
• 1990 · Hired to Kill as Rallis
• 1990 · Old Explorers as Warner Watney
• 1989 · Mother's Day as Judge Leatham
• 1988 · Strange Interlude as Professor Leeds
• 1987 · Young Harry Houdini as Dr. Tybalt Grimaldi
• 1987 · The Sun and the Moon as
• 1986 · Blood & Orchids as Walter Bergman
• 1986 · Blood & Orchids as Walter Bergman
• 1985 · Covenant as Victor Noble
• 1985 · Jacques Cousteau: The First 75 Years as Narrator (voice)
• 1985 · Seduced as James Killian
• 1985 · Hitler's SS: Portrait in Evil as Prof. Ludwig Rosenberg
• 1984 · Dune as Padisha Emperor Shaddam IV
• 1984 · Murder, She Wrote as Cagliostro
• 1984 · George Washington as Governor Dinwiddie
• 1984 · Samson and Delilah as The High Priest
• 1984 · The Evil That Men Do as Dr. Hector Lomelin
• 1984 · Raíces eternas as English Narrator
• 1983 · To Be or Not to Be as Prof. Siletski
• 1983 · The Being as Mayor Gordon Lane
• 1983 · The Wind in the Willows as Badger (voice)
• 1983 · Blood Feud as Edward Bennett Williams
• 1983 · The Horror of It All as Self / Narrator
• 1983 · This Girl For Hire as Harrison Wooly
• 1982 · Newhart as Arthur Vanderkellen
• 1982 · Blood Tide as Nereus
• 1982 · A Midsummer Night's Sex Comedy as Leopold
• 1982 · And They're Off as Martin Craig
• 1982 · Night of 100 Stars as Self
• 1981 · Bloody Birthday as Doctor
• 1981 · Peter and Paul as Gamaliel
• 1981 · Berlin Tunnel 21 as Martin Komansky
• 1981 · Evita Peron as Agustin Magaldi
• 1980 · Magnum, P.I. as Robert Caine
• 1980 · Pleasure Palace as 'Pokey'
• 1980 · The Big Brawl as Dominici
• 1980 · The Dream Merchants as George Pappas
• 1980 · Gideon's Trumpet as Abe Fortas
• 1980 · The Murder That Wouldn't Die as Jeff Briggs
• 1979 · The French Atlantic Affair as Pres. Aristide Brouchard
• 1979 · Natural Enemies as Harry Rosenthal
• 1979 · The Fifth Musketeer as Athos
• 1979 · Tales of the Unexpected as Carlos
• 1979 · UFOs: It Has Begun as
• 1979 · Life of Sin as
• 1978 · The Swarm as Dr. Andrews
• 1978 · Fedora as Doctor Vando
• 1978 · The Amazing Captain Nemo as Captain Nemo
• 1978 · Fame as Francesco
• 1977 · Simple Gifts as Narrator (segment "A Memory of Christmas") (voice)
• 1977 · The Private Files of J. Edgar Hoover as Lionel McCoy
• 1977 · The Love Boat as Deke Donner
• 1977 · Exo-Man as Kermit Haas
• 1977 · Dracula's Dog as Inspector Branco
• 1977 · Who Has Seen the Wind as The Ben
• 1977 · The Rhinemann Exchange as Erich Rhinemann
• 1977 · The Sentinel as Priest of the Brotherhood
• 1976 · Crash! as Marc Denne
• 1976 · Voyage of the Damned as Manuel Benitez
• 1976 · The Big Bus as Ironman
• 1976 · Paco as Fermin Flores
• 1975 · The Art of Crime as Beckwith Sloan
• 1975 · Rickles as
• 1975 · Medical Story as
• 1975 · Medical Story as Dr. William Knowland
• 1975 · Order to Kill as Inspector Reed
• 1975 · Forever Young, Forever Free as Father Alberto
• 1975 · The Missing Are Deadly as
• 1974 · Cyrano as Cyrano de Bergerac (voice)
• 1973 · Kojak as Jake Weinhaus
• 1973 · The Marcus-Nelson Murders as Jake Weinhaus
• 1971 · Crosscurrent as Dr. Charles Bedford
• 1971 · Columbo as Marshall Cahill
• 1971 · Gideon as Angel of the Lord
• 1971 · Banyon as Lee Jennings
• 1970 · The Aquarians as Dr. Alfred Vreeland
• 1968 · The Little Drummer Boy as Ben Haramed (voice)
• 1967 · Cervantes as Hassan Bey
• 1967 · Kismet as Hajj
• 1967 · Enter Laughing as Harrison B. Marlowe
• 1965 · Ship of Fools as Rieber
• 1965 · The Greatest Story Ever Told as Herod Antipas
• 1964 · Cyrano and d'Artagnan as Cyrano de Bergerac
• 1963 · The Danny Kaye Show as Self
• 1963 · Stop Train 349 as Cowan the Reporter
• 1963 · Nine Hours to Rama as Superintendent Das
• 1962 · Lawrence of Arabia as Turkish Bey
• 1959 · The Bell Telephone Hour as Self
• 1958 · The High Cost of Loving as Jim Fry
• 1958 · I Accuse! as Captain Alfred Dreyfus
• 1957 · The Lux Show as Self
• 1957 · Four Girls in Town as Director
• 1956 · The Great Man as Joe Harris
• 1956 · The Rosemary Clooney Show as Self
• 1955 · The Cockleshell Heroes as Major Stringer
• 1955 · The Shrike as Jim Downs
• 1954 · Deep in My Heart as Sigmund Romberg
• 1954 · Producers' Showcase as
• 1954 · The Caine Mutiny as Lt. Barney Greenwald
• 1953 · Miss Sadie Thompson as Alfred Davidson
• 1952 · Moulin Rouge as Henri de Toulouse-Lautrec
• 1952 · Anything Can Happen as Giorgi Papashvily
• 1950 · Cyrano de Bergerac as Cyrano de Bergerac
• 1950 · Crisis as Raoul Farrago
• 1950 · The Secret Fury as José (uncredited)
• 1950 · What's My Line? as Self - Mystery Guest
• 1950 · Whirlpool as David Korvo
• 1948 · Joan of Arc as The Dauphin, Charles VII, later King of France
• 1948 · The Ed Sullivan Show as Self
• 1946 · Bolivia as Narrator