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