Credits

• 2000 · Sir John Mills' Moving Memories as Self (archive footage)
• 1971 · The Massacre of Glencoe as MacIain
• 1970 · Doctor in Trouble as Sir Lancelot Spratt
• 1970 · Some Will, Some Won't as Sir Charles Robson
• 1969 · Zeta One as Maj. Bourdon
• 1968 · Chitty Chitty Bang Bang as Lord Scrumptious
• 1968 · Mayerling as Prince of Wales
• 1968 · The Name of the Game as Fitzwilliam
• 1968 · Spirits of the Dead as Countess' Advisor (segment "Metzengerstein")
• 1967 · Hell Is Empty as Angus McGee
• 1967 · Two Weeks in September as McClintock
• 1966 · The Trygon Factor as Sir John (voice)
• 1966 · Lucy in London as Head of Madame Tussauds' Guides
• 1966 · Long Legs, Long Fingers as Sir Hammond
• 1966 · Doctor in Clover as Sir Lancelot Spratt
• 1965 · The Face of Fu Manchu as Sir Charles
• 1965 · You Must Be Joking as Librarian
• 1965 · Those Magnificent Men in Their Flying Machines or How I Flew from London to Paris in 25 Hours 11 Minutes as Narrator
• 1965 · Up from the Beach as British Beachmaster
• 1964 · Father Came Too! as Sir Beverly Grant
• 1963 · Dr. Crippen as Captain McKenzie
• 1963 · Doctor in Distress as Sir Lancelot Spratt
• 1963 · Das Feuerschiff as Kapitän Freytag
• 1963 · Mystery Submarine as RAdm. Rainbird
• 1962 · The Fast Lady as Charles
• 1962 · Love on a Pillow as Katov - un sculpteur
• 1962 · Guns of Darkness as Hugo Bryant
• 1962 · Crooks Anonymous as Sir Harvey Russelrod
• 1962 · A Pair of Briefs as Justice Haddon
• 1961 · Murder She Said as Luther Ackenthorpe
• 1961 · Raising the Wind as Sir Benjamin Boyd
• 1961 · The Guns of Navarone as Commodore Jensen / Prologue Narrator
• 1961 · Very Important Person as Sir Ernest Pease KBE FRS / Lt. Farrow RN
• 1960 · The Ambassadress as Robert Morrison
• 1960 · A French Mistress as Robert Martin / 'Bow Wow'
• 1960 · Doctor in Love as Sir Lancelot Spratt
• 1960 · Foxhole in Cairo as Capt. Robertson
• 1959 · Upstairs and Downstairs as Mansfield
• 1958 · Orders to Kill as Naval Commander
• 1958 · Thérèse Étienne as
• 1957 · Seven Thunders as Dr. Martout
• 1957 · Campbell's Kingdom as James MacDonald
• 1957 · The Living Idol as Doctor Alfred Stoner
• 1957 · Doctor at Large as Sir Lancelot Spratt
• 1956 · Checkpoint as Warren Ingram
• 1956 · The Iron Petticoat as Colonel Vladimir Denisovich Sklarnoff
• 1956 · Moby Dick as Capt. Boomer
• 1955 · Storm Over the Nile as General Burroughs
• 1955 · An Alligator Named Daisy as Sir James Colebrook
• 1955 · Land of the Pharaohs as Vashtar
• 1955 · Doctor at Sea as Capt. Hogg
• 1955 · Above Us the Waves as Admiral Ryder
• 1955 · Out of the Clouds as Captain Brent
• 1954 · Doctor in the House as Sir Lancelot Spratt
• 1953 · Rob Roy, The Highland Rogue as Duke Campbell, of Argyll
• 1953 · The Sword and the Rose as King Henry VIII
• 1952 · The Voice of Merrill as Jonathan Roche
• 1952 · Miss Robin Hood as The MacAlister
• 1952 · Les Miserables as Robert
• 1952 · The Story of Robin Hood and His Merrie Men as Little John
• 1952 · The Lady Says No as Matthew Huntington Hatch
• 1951 · Anne of the Indies as Red Dougal
• 1951 · David and Bathsheba as Abishai
• 1951 · Captain Horatio Hornblower as Seaman Quist
• 1951 · Pool of London as Engine Room Officer Trotter
• 1951 · Blackmailed as Mr. Sine
• 1950 · The Magnet as Tramp
• 1950 · The Black Rose as Simeon Beautrie
• 1950 · My Daughter Joy as Prof. Keval
• 1950 · Prelude to Fame as Sir Arthur Harold
• 1949 · Christopher Columbus as Martin Alonso Pinzon
• 1949 · Private Angelo as Feste
• 1949 · Poet's Pub as Prof. Benbow
• 1949 · Whisky Galore! as Dr. Maclaren
• 1949 · Stop Press Girl as Arthur Peters
• 1948 · Scott of the Antarctic as P.O. (Taff) Evans R.N.
• 1948 · Quartet as Branksome
• 1948 · My Brother Jonathan as Eugene Dakers
• 1948 · Against the Wind as Ackerman
• 1948 · Vice Versa as Dr. Grimstone
• 1946 · Appointment with Crime as Prison Governor
• 1944 · Fiddlers Three as Centurion of the 8th Legion
• 1944 · Champagne Charlie as Patron (uncredited)
• 1944 · For Those in Peril as Operations Room Officer