| Kubrick by Kubrick (2020) as Self (archive footage) |
| Sid & Judy (2019) as Self (archive footage) |
| Churchill and the Movie Mogul (2019) as Self (archive footage) |
| Lasseter's Bones (2012) as Archival Footage |
| Hollywood Singing and Dancing: A Musical History - The 1950s: The Golden Era of the Musical (2009) as Self (archive) |
| Sir John Mills' Moving Memories (2000) as Self (archive footage) |
| Roger Moore: A Matter of Class (1995) as Self (archive footage) |
| Halloween Monster Bash (1991) as Stephen Deremid (archive footage) |
| The Assisi Underground (1985) as Bishop Nicolini |
| The Shooting Party (1985) as Sir Randolph Nettleby |
| Dr. Fischer of Geneva (1984) as Dr. Fischer |
| James Mason: The Star They Loved to Hate (1984) as Self |
| House Without Foundation (1984) as Self - Narrator |
| Don't Eat the Pictures: Sesame Street at the Metropolitan Museum of Art (1983) as Demon |
| Yellowbeard (1983) as Captain Hughes |
| Group Madness (1983) as Self |
| Alexandre (1983) as The Father |
| The Popes and Their Art (1983) as Presentor |
| The Verdict (1982) as Ed Concannon |
| A Dangerous Summer (1982) as George Engels |
| The Glory of the Garden (1982) as Narrator |
| Night of 100 Stars (1982) as Self |
| Evil Under the Sun (1982) as Odell Gardener |
| Ivanhoe (1982) as Isaac of York |
| The Making of Agatha Christie's 'Evil Under the Sun' (1982) as Self / Odell Gardener |
| ffolkes (1980) as Admiral Brindsen |
| Bloodline (1979) as Sir Alec Nichols |
| The Passage (1979) as Professor Bergson |
| Murder by Decree (1979) as Dr. Watson |
| The Boys from Brazil (1978) as Eduard Seibert |
| Heaven Can Wait (1978) as Mr. Jordan |
| The Water Babies (1978) as Mr. Grimes / Voice of Killer Shark |
| Homage to Chagall: The Colours of Love (1977) as Narrator - English version |
| Cross of Iron (1977) as Oberst Brandt |
| Voyage of the Damned (1976) as Dr. Juan Remos |
| Bob Hope's World of Comedy (1976) as Self (archive footage) |
| People of the Wind (1976) as Jafar Qoli (voice) |
| Paura in città (1976) as Chief of Police |
| Gente di rispetto (1975) as Avv. Antonio Bellocampo |
| Inside Out (1975) as Ernst Furben |
| Autobiography of a Princess (1975) as Cyril Sahib |
| La Polizia Interviene: Ordine Di Uccidere (1975) as Senatore Leandri |
| La città sconvolta: caccia spietata ai rapitori (1975) as Filippini |
| Mandingo (1975) as Warren Maxwell |
| The Yin and the Yang of Mr. Go (1974) as Y.Y. Go |
| 11 Harrowhouse (1974) as Charles D. Watts |
| Frankenstein: The True Story (1974) as Dr. John Polidori |
| The Marseille Contract (1974) as Jacques Brizard |
| Great Expectations (1974) as Magwitch |
| The MacKintosh Man (1973) as Sir George Wheeler |
| The Last of Sheila (1973) as Philip Dexter |
| The Reformation: Age of Revolt (1973) as Narrator |
| John Keats: His Life and Death (1973) as Narrator |
| Child's Play (1972) as Jerome Malley |
| Home, James (1972) as Self |
| The Wind in the Wires (1972) as Narrator |
| Kill! (1971) as Alan Hamilton |
| Bad Man's River (1971) as Francisco Paco Montero |
| Cold Sweat (1970) as Captain Ross |
| Spring and Port Wine (1970) as Rafe Crompton |
| Age of Consent (1969) as Bradley Morahan |
| The Sea Gull (1968) as Trigorin |
| The London Nobody Knows (1968) as Himself - Narrator |
| Mayerling (1968) as Franz Joseph I of Austria |
| Duffy (1968) as Charles Calvert |
| Stranger in the House (1967) as John Sawyer |
| The Deadly Affair (1967) as Charles Dobbs |
| Georgy Girl (1966) as James Leamington |
| The Blue Max (1966) as General Count von Klugermann |
| La verifica incerta (1965) as (archive footage) |
| Los pianos mecánicos (1965) as Pascal Regnier |
| Genghis Khan (1965) as Kam Ling |
| Lord Jim (1965) as Gentleman Brown |
| The Pumpkin Eater (1964) as Bob Conway |
| The Fall of the Roman Empire (1964) as Timonides |
| Beta Som (1963) as Captain Blayne |
| Hero's Island (1962) as Jacob Weber |
| Tiara Tahiti (1962) as Captain Brett Aimsley |
| Lolita (1962) as Prof. Humbert Humbert |
| Escape from Zahrain (1962) as Johnson |
| Theatre 62: Rebecca (1962) as Maxim de Winter |
| The Marriage-Go-Round (1961) as Paul Delville |
| John Brown's Raid (1960) as John Brown |
| The Trials of Oscar Wilde (1960) as Edward Carson |
| Playhouse 90: The Hiding Place (1960) as Hans Frick |
| A Touch of Larceny (1960) as Cmdr. Max Easton |
| Journey to the Center of the Earth (1959) as Sir Oliver S. Lindenbrook |
| North by Northwest (1959) as Phillip Vandamm |
| The Decks Ran Red (1958) as Capt. Edwin Rummill |
| Cry Terror! (1958) as Jim Molner |
| Island in the Sun (1957) as Maxwell Fleury |
| Bigger Than Life (1956) as Ed Avery |
| Forever, Darling (1956) as Guardian Angel |
| 20,000 Leagues Under the Sea (1954) as Captain Nemo |
| The Star of Bethlehem (1954) as Himself |
| A Star Is Born (1954) as Norman Maine |
| Prince Valiant (1954) as Sir Brack |
| The Tell-Tale Heart (1953) as Narrator |
| The Man Between (1953) as Ivo Kern |
| Charade (1953) as The Murderer / Maj. Linden / Jonah Watson |
| Julius Caesar (1953) as Brutus |
| The Desert Rats (1953) as Field Marshal Erwin von Rommel |
| The Story of Three Loves (1953) as Charles Coutray |
| Botany Bay (1952) as Capt. Paul Gilbert |
| The Prisoner of Zenda (1952) as Rupert of Hentzau |
| Face to Face (1952) as The Captain |
| Ellis in Freedomland (1952) as The Refrigerator (voice) |
| 5 Fingers (1952) as Ulysses Diello |
| Lady Possessed (1952) as Jimmy Del Palma |
| The Desert Fox: The Story of Rommel (1951) as Field Marshal Erwin Rommel |
| Pandora and the Flying Dutchman (1951) as Hendrick van der Zee |
| One Way Street (1950) as Dr. Frank Matson |
| East Side, West Side (1949) as Brandon Bourne |
| The Reckless Moment (1949) as Martin Donnelly |
| Madame Bovary (1949) as Gustave Flaubert |
| Caught (1949) as Larry Quinada |
| The Upturned Glass (1947) as Michael Joyce |
| Odd Man Out (1947) as Johnny McQueen |
| The Wicked Lady (1945) as Captain Jerry Jackson |
| The Seventh Veil (1945) as Nicholas Cunningham |
| They Were Sisters (1945) as Geoffrey Lee |
| A Place of One's Own (1945) as Henry Smedhurst |
| Hotel Reserve (1944) as Peter Vadassy |
| Fanny by Gaslight (1944) as Lord Manderstoke |
| Candlelight in Algeria (1944) as Alan Thurston |
| They Met in the Dark (1943) as Richard Francis Heritage |
| The Man in Grey (1943) as Lord Rohan |
| The Bells Go Down (1943) as Ted Robbins |
| Thunder Rock (1942) as Streeter |
| Secret Mission (1942) as Raoul de Carnot |
| Alibi (1942) as Andre Laurent |
| The Night Has Eyes (1942) as Stephen Deremid |
| Hatter's Castle (1942) as Dr. Renwick |
| The Patient Vanishes (1941) as Mick Cardby |
| The Circle (1939) as Edward Luton |
| L'avare (1939) as Valere - In love with Elise |
| I Met a Murderer (1939) as Mark Warrow |
| Bees on the Boat-Deck (1939) as Robert Patch |
| The Moon in the Yellow River (1938) as Darrell Blake |
| Cyrano de Bergerac (1938) as Christian de Neuvillette |
| Return of the Scarlet Pimpernel (1937) as Jean Tallien |
| The High Command (1937) as Capt. Heverell |
| Catch as Catch Can (1937) as Robert Leyland |
| Fire Over England (1937) as Hillary Vane |
| The Mill on the Floss (1937) as Tom Tulliver |
| The Secret of Stamboul (1936) as Larry |
| Twice Branded (1936) as Henry Hamilton |
| Blind Man's Bluff (1936) as Stephen Neville |
| Troubled Waters (1936) as John Merriman |
| Prison Breaker (1936) as 'Bunny' Barnes |
| Late Extra (1935) as Jim Martin |
| Bob the Builder: Building Sky High Writer |
| Passion & Poetry: Sam Peckinpah's War In Memory Of |
| Age of Consent Producer |
| Bigger Than Life Producer |
| Bigger Than Life Additional Writing |
| The Star of Bethlehem Producer |
| The Star of Bethlehem Director |
| The Child Director |
| Charade Producer |
| Charade Writer |
| Lady Possessed Screenplay |
| Lady Possessed Producer |
| The Upturned Glass Producer |
| I Met a Murderer Story |