Duncan Lamont Filmography
- Actor (71 credits)
- BBC2 Play of the Week (1977) Kasmer
- Secret Army (1977) Victor Herve
- Robin's Nest (1977) Duncan Seymour
- Our Mutual Friend (1976) Gaffer Hexam
- Escape from the Dark (1976)
- Poldark (1975) Bartholomew Tregirls
- Shadows (1975) Mr. Prout
- The Creeping Flesh (1973) Inspector
- Nothing But the Night (1973) Dr. Knight
- Pope Joan (1972) 1st Wounded Soldier
- Burke & Hare (1972) Dr. Saint
- Doctor in Charge (1972) Chief Fire Officer McNab
- The Persuaders! (1971) William Benton
- Battle of Britain (1969) Flight Sgt. Arthur
- Randall and Hopkirk (Deceased) (1969) Langford
- The Strange Case of Dr. Jekyll and Mr. Hyde (1968) Sergeant Grimes
- Decline and Fall... of a Birdwatcher (1968) Inspector Bruce
- Man in a Suitcase (1967) Chauffer
- Callan (1967) Bunin
- Quatermass and the Pit (1967) Sladden
- Arabesque (1966) Webster
- The Witches (1966) Bob Curd
- Frankenstein Created Woman (1966) The Prisoner
- The Brigand of Kandahar (1965) Colonel Drewe
- Coast of Skeletons (1965) Charlie Singer, voice acting
- The Murder Game (1965) Inspector Telford
- Macbeth I: The Politics of Power (1964) Macduff
- Macbeth III: The Secret'st Man (1964) Macduff
- Macbeth II: The Themes of Macbeth (1964) Macduff
- The Evil of Frankenstein (1964) Karlstaad Chief of Police
- The Devil-Ship Pirates (1964) The Bosun
- The Scarlet Blade (1963) Maj. Bell
- Panic (1963) Inspector Saunders
- Murder at the Gallop (1963) Hillman
- Mutiny on the Bounty (1962) John Williams
- The Queen's Guards (1961) Wilkes
- A Circle of Deception (1960) Jules Ballard
- Danger Man (1960) Joseph Brenner
- The 39 Steps (1959) Kennedy
- Ben-Hur (1959) Marius, not listed in credits
- Knight Errant Limited (1959) Paul Eggerton
- A Touch of Larceny (1959) 1st Special Branch man Gregson
- Legal Action (1958) Det. Supt. Mills
- The Texan (1958) David MacMorris
- The Invisible Man (1958) D.J. Scott
- I Was Monty's Double (1958) Wing Cdr. Bates
- A Tale of Two Cities (1958) Ernest Defarge
- High Flight (1957) Weapons Corporal
- The End of the Road (1957) Barney
- The Baby and the Battleship (1956) Master-at-Arms
- Dixon of Dock Green (1955) Station Sgt. Cooper
- Quentin Durward (1955) Count William De la Marck
- Passage Home (1955) 1st Mate Llewellyn
- The Adventures of Robin Hood (1955) Sir Dunstan of Travers
- Meet Mr. Malcolm (1954) Supt. Simmons
- The Passing Stranger (1954) Fred
- Time Is My Enemy (1954) Inspector Charles Wayne
- The Teckman Mystery (1954) Insp. Hilton
- Burnt Evidence (1954) Jack Taylor
- The Final Test (1953) Unpleasant Pub Customer, not listed in credits
- The Intruder (1953) Don Cope
- The Quatermass Experiment (1953) Victor Carroon
- Le carrosse d'or (1952) Ferdinand, Le Viceroy
- The Lost Hours (1952) Bristow
- Song of Paris (1952) Undetermined Role, not listed in credits
- Emergency Call (1952) Police Constable
- The Galloping Major (1951) 2nd Trainer
- The Man in the White Suit (1951) Harry
- Waterfront (1950) 3rd Engineer On Ship, not listed in credits
- She Shall Have Murder (1950) Police Sergeant
- The Woman in Question (1950) Barney, not listed in credits
