Credits

• 2003 · The Heroes of Telemark: Location report from Norway as
• 1997 · Michael Redgrave: My Father as Self (archive footage)
• 1990 · Vivien Leigh: Scarlett and Beyond as Self (archive footage)
• 1975 · Rime of the Ancient Mariner as
• 1973 · Dr. Jekyll and Mr. Hyde as Danvers
• 1971 · A Christmas Carol as Narrator (voice)
• 1971 · Nicholas and Alexandra as Sazonov
• 1971 · The Go-Between as The Older Leo Colston
• 1970 · Goodbye Gemini as James Harrington-Smith
• 1970 · Connecting Rooms as James Wallraven
• 1969 · David Copperfield as Dan Peggotty
• 1969 · Goodbye, Mr. Chips as The Headmaster
• 1969 · Battle of Britain as Air Vice Marshal Evill
• 1969 · Oh! What a Lovely War as Gen. Sir Henry Wilson
• 1969 · Kyoto as Narrator (English Version)
• 1968 · Heidi as Grandfather
• 1968 · Assignment K as Harris
• 1967 · Palaces of a Queen as Narrator
• 1967 · The 25th Hour as L'avocat de Lohann
• 1966 · Alice in Wonderland as Caterpillar
• 1966 · ABC Stage 67 as Sir Simon Canterville / The Ghost
• 1965 · The Heroes of Telemark as Uncle
• 1965 · The Sun... the Sand... the Hill as The Medical Officer (archive footage)
• 1965 · The Hill as The Medical Officer
• 1965 · Young Cassidy as W.B. Yeats
• 1964 · The Great War as Narrator
• 1963 · Uncle Vanya as Uncle Vanya
• 1962 · Hedda Gabler as George Tesman
• 1962 · The Loneliness of the Long Distance Runner as Ruxton Towers Reformatory Governor
• 1961 · The Innocents as The Uncle
• 1961 · No, My Darling Daughter as Sir Mathew Carr
• 1959 · The Wreck of the Mary Deare as Mr. Nyland
• 1959 · Shake Hands with the Devil as The General
• 1958 · Behind the Mask as Sir Arthur Benson-Gray
• 1958 · Law and Disorder as Percy Brand
• 1958 · The Quiet American as Thomas Fowler
• 1958 · The Immortal Land as
• 1957 · The Happy Road as Gen. Medworth
• 1957 · Time Without Pity as David Graham
• 1956 · 1984 as O'Connor of the Inner Party
• 1955 · Oh... Rosalinda!! as Col. Eisenstein
• 1955 · Alfred Hitchcock Presents as Gilbert (archive footage) (uncredited)
• 1955 · Mr. Arkadin as Burgomil Trebitsch
• 1955 · The Dam Busters as Doctor B. N. Wallis, C.B.E., F.R.S.
• 1955 · The Night My Number Came Up as Air Marshal Hardie
• 1954 · The Green Scarf as Maitre Deliot
• 1954 · The Sea Shall Not Have Them as Air Commodore Waltby
• 1952 · Omnibus as
• 1952 · This Is Your Life as Self
• 1952 · The Importance of Being Earnest as Ernest Worthing
• 1952 · The Magic Box as Mr. Lege
• 1951 · Hallmark Hall of Fame as Polonius
• 1951 · The Browning Version as Andrew Crocker-Harris
• 1950 · Your Show of Shows as
• 1950 · What's My Line? as Self - Mystery Guest
• 1948 · The Ed Sullivan Show as Self
• 1947 · Secret Beyond the Door... as Mark Lamphere
• 1947 · Mourning Becomes Electra as Orin Mannon
• 1947 · Fame Is the Spur as Hamer Radshaw
• 1947 · The Man Within as Richard Carlyon
• 1946 · The Years Between as Michael Wentworth
• 1946 · The Captive Heart as Capt. Karel Hasek
• 1945 · A Diary for Timothy as the narrator
• 1945 · Dead of Night as Maxwell Frere (Segment "The Ventriloquist's Dummy")
• 1945 · The Way to the Stars as Flight Lt. David Archdale
• 1942 · Thunder Rock as David Charleston
• 1942 · The Big Blockade as Russian
• 1941 · Atlantic Ferry as Charles MacIver
• 1941 · Jeannie as Stanley Smith
• 1941 · Kipps as Kipps (adult)
• 1940 · A Window in London as Peter Thompson
• 1940 · The Stars Look Down as Davey Fenwick
• 1939 · Stolen Life as Alan MacKenzie
• 1938 · Climbing High as Nicky Brooke
• 1938 · The Lady Vanishes as Gilbert Redman
• 1936 · Secret Agent as Army Officer (uncredited)
• 2024 · The Questioning City as Narrator