2006
The Making of 'Network' as Self (archive footage)
2001
Cleopatra: The Film That Changed Hollywood as Self (archive footage)
1980
The Sensational Shocking Wonderful Wacky 70's as Self (archive footage)
1976
Raid on Entebbe as Yitzhak Rabin
1976
Network as Howard Beale
1974
The Abdication as Azzolino
1973
England Made Me as Erich Krogh
1973
Bequest to the Nation as Adm. Lord Horatio Nelson
1973
Lost Horizon as Richard Conway
1972
Something to Hide as Harry Field
1969
The Greatest Mother of 'em All as Sean Howard
1969
The Red Tent as Umberto Nobile
1968
The Legend of Lylah Clare as Lewis Zarken / Louie Flack
1968
The Dick Cavett Show as Self - Guest (1 episode)
1967
Location: Far from the Madding Crowd as Himself
1967
Far from the Madding Crowd as William Boldwood
1966
Murderers' Row as British agent (uncredited)
1966
10:30 P.M. Summer as Paul
1966
Judith as Aaron Stein
1965
The Flight of the Phoenix as Capt. Harris
1964
The Pumpkin Eater as Jake Armitage
1964
First Men in the Moon as Bailiff's Man (uncredited)
1964
Girl with Green Eyes as Eugene Gaillard
1963
In the Cool of the Day as Murray Logan
1962
I Thank a Fool as Stephen Dane
1961
The Sins of Rachel Cade as Colonel Henry Derode
1961
No Love for Johnnie as Johnnie Byrne
1960
The Trials of Oscar Wilde as Oscar
1960
Kidnapped as Alan Breck Stewart
1959
The Nun's Story as Dr. Fortunati
1959
Operation Amsterdam as Jan Smit
1957
Windom's Way as Alec Windom
1957
The Shiralee as Macauley
1957
Robbery Under Arms as Captain Starlight
1956
The Battle of the River Plate as Captain Langsdorff, "Admiral Graf Spee"
1956
A Town Like Alice as Joe Harman
1955
Josephine and Men as David Hewer
1955
Simon and Laura as Simon Foster
1955
The Dark Avenger as Comte De Ville
1955
Passage Home as Kapitän John Ryland "Lucky"
1954
Make Me an Offer! as Charlie
1954
Father Brown as Gustave Flambeau
1954
Elephant Walk as John Wiley
1953
The Heart of the Matter as Father Rank
1953
The Story of Gilbert and Sullivan as Richard D'Oyly Carte
1952
The Story of Robin Hood and His Merrie Men as Sheriff of Nottingham
1952
The Riddle of Robin Hood as Himself
1950
The Miniver Story as Polish officer
1950
The Wooden Horse as Australian in Hospital
1949
Eureka Stockade as Humffray
1949
Train of Events as Philip Mason
1946
A Son Is Born as Paul Graham
1944
Jungle Patrol as Narrator
1944
The Rats of Tobruk as Peter Linton
1943
These Stars Are Mine as Reynolds Junior
1941
The Power and the Glory
1939
Mr. Chedworth Steps Out as Arthur Jacobs
1938
Dad and Dave Come to Town as Bill Ryan
1935
The Magic Shoes as Prince Charming