 | চোরাবালি (2016) as Dr. Dasgupta |
 | The 50 Greatest Television Dramas (2007) as Self |
 | The Funny Blokes of British Comedy (2005) as Mr. Lewis (archive footage) (uncredited) |
 | I, Claudius: A Television Epic (2002) as Self |
 | Back to the Secret Garden (2000) as Will Weatherstaff |
 | Inside 'On Her Majesty's Secret Service' (2000) |
 | Blondes: Diana Dors (1999) as self |
 | For Queen & Country (1988) as Kilcoyne |
 | Journey's End (1988) as Colonel |
 | Coast to Coast (1987) as Greaves |
 | The Canterville Ghost (1986) as Uncle Hesketh |
 | Time After Time (1986) as Valentine Swift |
 | We'll Support You Evermore (1985) as Colonel |
 | Bird Fancier (1985) as Albert Seers |
 | The Secret Adversary (1983) as Whittington |
 | Doctor Who: Full Circle (1980) as Login |
 | Hopscotch (1980) as Westlake |
 | ffolkes (1980) as Fletcher |
 | Print-Out (1979) as Robert Ballard |
 | The Thirty Nine Steps (1978) as Sir Walter Bullivant |
 | The Spy Who Loved Me (1977) as Captain Benson |
 | Three Piece Suite (1977) as Brad Hunter |
 | Intimate Games (1976) as Prof. Gottlieb |
 | Three for All (1975) as Eddie Boyes |
 | চামেলি মেমচাʼব (1975) as Berkeley |
| | Sea Area Forties (1975) as Narrator |
 | The Firefighters (1974) as Station Officer Harrison |
 | A Warm December (1973) as Dr. Henry Barlow |
 | Because of the Cats (1973) as Boersma |
 | The Executioner (1970) as Philip Crawford |
 | On Her Majesty's Secret Service (1969) as Sir Hilary Bray |
 | Goodbye, Mr. Chips (1969) as Lord Sutterwick |
 | Justine (1969) as British Ambassador David Mountolive |
 | The Bone Grinder (1968) as George King |
| | Mrs. Capper's Birthday (1968) as Kenny Blake |
| | Love Life (1967) as Theodore Quill |
 | You Only Live Twice (1967) as NASA Engineer (uncredited) |
 | Days in the Trees (1967) as Jacques |
 | Mister Ten Per Cent (1967) as Lord Edward |
 | Alice (1965) as Rev. Charles Dodgson |
 | Curse of the Fly (1965) as Martin Delambre |
 | The Finest Hours (1964) as Lord Randolph (voice) |
 | Sword of Lancelot (1963) as Sir Gawaine |
 | Tread Softly Stranger (1958) as Johnny Mansell |
 | The Moonraker (1958) as Anthony, Earl of Dawlish/The Moonraker |
 | No Time for Tears (1957) as Dr. Nigel Barnes |
 | These Dangerous Years (1957) as Padre |
 | A Hill in Korea (1956) as Lt. Butler |
 | The Feminine Touch (1956) as Dr Jim Alcott |
 | The Extra Day (1956) as Steven Marlow |
 | The Woman for Joe (1955) as Joe Harrop |
 | The Dam Busters (1955) as Flight Lieutenant D. J. H. Maltby, D.S.O., D.F.C. |
 | The Ship That Died of Shame (1955) as Bill Randall |
 | The Intruder (1953) as Adjutant |
| | From Doon with Death Writer |
 | Unglaubliche Freunde Writer |
