Evensong (1934)

Role: extra, uncredited

1940s

Great Expectations (1946)

Role: Herbert Pocket

Oliver Twist (1948)

Role: Fagin

A Run for Your Money (1949)

Role: Whimple

Kind Hearts and Coronets (1949)

Roles: Ascoyne d'Ascoyne; Henry d'Ascoyne; Canon d'Ascoyne; Admiral d'Ascoyne; General d'Ascoyne; Lady Agatha d'Ascoyne; Lord d'Ascoyne; Ethelred d'Ascoyne.

1950s

The Mudlark (1950)

Role: Benjamin Disraeli

Last Holiday (1950)

Role: George Bird

The Man in the White Suit (1951)

Role: Sidney Stratton

The Lavender Hill Mob (1951)

Role: Holland

The Card (1952)

Role: Edward Henry 'Denry' Machin

The Captain's Paradise(1953)

Role: Captain Henry St. James

The Square Mile (1953)

Role: Narrator

The Malta Story (1953)

Role: Flight Lieut. Peter Ross

Father Brown (1954)

Role: Father Brown

The Stratford Adventure (1954)

Role:

To Paris with Love (1955)

Role: Col. Sir Edgar Fraser

Rowlandson's England (1955)

Role: Voice part

The Prisoner (1955)

Role: The Cardinal

The Ladykillers (1955)

Role: Professor Marcus

The Swan (1956)

Role: Prince Albert

Bridge on the River Kwai (1957)

Role: Colonel Nicholson

Barnacle Bill (1957)

Role: William Horatio Ambrose

The Horse's Mouth (1958)

Role: Gulley Jimson

The Scapegoat (1959)

Role: John Barratt/Jacques De Gue

1960s

Our Man in Havana (1960)

Role: Jim Wormold

Tunes of Glory (1960)

Role: Major Jock Sinclair

A Majority of One (1961)

Role: Koichi Asano

HMS Defiant (1962)

Role: Captain Crawford

Lawrence of Arabia (1962)

Role: Prince Feisal

The Fall of the Roman Empire (1964)

Role: Marcus Aurelius

Doctor Zhivago (1965)

Role: Gen Yevgraf Zhivago

Situation Hopeless...But Not Serious (1965)

Role: Wilhelm Frick

Pasternak (1965) (uncredited)

Role: Himself

Hotel Paradiso (1966)

Role: Benedict Boniface

The Quiller Memorandum (1966)

Role: Pol

The Comedians (1967)

Role: Major Jones

The Comedians in Africa (1967) (uncredited)

Riole: Himself

Conversation at Night (1969) (TV)

Twelfth Night (1969) (TV)

Role: Malvolio

1970s

Scrooge (1970)

Role: Jacob Marley's Ghost

E.E. Cummings (1970) (TV)

Cromwell (1970)

Role: King Charles I

Hitler: The Last Ten Days (1973)

Role: Adolf Hitler

Brother Sun, Sister Moon (1973)

Role: Pope Innocent III

Caesar and Cleopatra (1976) (TV)

Role: Julius Caesar

Murder by Death (1976)

Role: Jamesir Bensonmum

Star Wars (1977)

Role: Ben (Obi-Wan) Kenobi

To See Such Fun (1977)

1980s

Star Wars: Episode V - The Empire Strikes Back (1980)

Role: Ben (Obi-Wan) Kenobi

Raise the Titanic (1980)

Role: John Bigalow

Little Lord Fauntleroy (1980) (TV)

Role: Earl of Dorincourt

Tinker, Tailor, Soldier, Spy (1980) (mini TV series)

Role: George Smiley

Smiley's People (1982) (mini TV series)

Role: George Smiley

Star Wars: Episode VI - Return of the Jedi (1983)

Role: Ben (Obi-Wan) Kenobi

Lovesick (1983)

Role: Sigmund Freud

A Passage to India (1984)

Role: Professor Godbole

Future Schlock (1984)

Role: Man in the White Suit

Edwin (1984) (TV)

Role: Sir Fennimore Truscott

Monsignor Quixote (1985) (TV)

Role: Father Quixote

Little Dorrit (1988)

Role: William Dorrit

A Handful of Dust (1988)

Role: Mr. Todd

1990s

Kafka (1991)

Role: The Chief Clerk

Tales from Hollywood (1992) (TV)

Role: Heinrich Mann

A Foreign Field (1993)

Role: Amos

Mute Witness (1994) (as Mystery Guest Star)

Role: The Reaper

Eskimo Day (1996) (TV)

Role: James