2000Sir John Mills' Moving Memories— Self (archive footage)
1990Dors: The Other Diana
1971The Massacre of Glencoe— MacIain
1970Some Will, Some Won't— Sir Charles Robson
1970Doctor in Trouble— Sir Lancelot Spratt
1969Zeta One— Major Bourdon
1968Şeytanın Kurbanları— Countess' Advisor (segment "Metzengerstein")
1968Harika Otomobil— Lord Scrumptious
1968Mayerling— Prince of Wales
1967À cœur joie— McClintock
1967Hell Is Empty— Angus McGee
1966Doctor in Clover— Sir Lancelot Spratt
1966The Trygon Factor— Sir John (voice)
1966Lange Beine - lange Finger— Sir Hammond
1966Lucy in London— Head of Madame Tussauds' Guides
1965The Face of Fu Manchu— Sir Charles
1965Those Magnificent Men in Their Flying Machines or How I Flew from London to Paris in 25 Hours 11 Minutes— Narrator
1965You Must Be Joking— Librarian
1965Up from the Beach— British Beachmaster
1964Babam da Geldi— Sir Beverley Grant
1963Doctor in Distress— Sir Lancelot Spratt
1963Mystery Submarine— RAdm. Rainbird
1963Das Feuerschiff— Kapitän Freytag
1963Dr. Crippen— Captain McKenzie
1962The Fast Lady— Commander Charles Chingford
1962Crooks Anonymous— Sir Harvey Russellrod
1962Guns of Darkness— Hugo Bryant
1962A Pair of Briefs— Justice Haddon
1961Raising the Wind— Sir Benjamin Boyd
1961Very Important Person— Sir Ernest "Lieutenant M.J. Farrow, RN" Pease, KBE, FRS
1960Doctor in Love— Sir Lancelot Spratt
1960A French Mistress— Robert Martin / 'Bow Wow'
1960Die Botschafterin— Robert Morrison
1960Foxhole in Cairo— Capt. Robertson
1959Upstairs and Downstairs— James Mansfield
1958Orders to Kill— Naval Commander
1958Thérèse Étienne— Anton Muller
1957Doctor at Large— Sir Lancelot Spratt
1957Campbell's Kingdom— 'Mac' MacDonald
1957Seven Thunders— Dr. Martout
1957The Living Idol— Doctor Alfred Stoner
1956Beyaz Balina— Capt. Boomer
1956The Iron Petticoat— Colonel Vladimir Denisovich Sklarnoff
1956Checkpoint— Warren Ingram
1955Above Us the Waves— Admiral Ryder
1955Land of the Pharaohs— Vashtar
1955Doktor Denizde— Captain Wentworth Hogg
1955Storm Over the Nile— General Burroughs
1955An Alligator Named Daisy— Sir James Colebrook
1955Out of the Clouds— Captain Brent
1954Doctor in the House— Sir Lancelot Spratt
1953The Sword and the Rose— King Henry VIII
1953Rob Roy, The Highland Rogue— Duke Campbell, of Argyll
1952The Story of Robin Hood and His Merrie Men— Little John
1952The Voice of Merrill— Jonathan Roche
1952The Lady Says No— Matthew Huntington Hatch
1952Les Miserables— Robert
1952Miss Robin Hood— The MacAlister
1951Captain Horatio Hornblower R.N.— Seaman Quist
1951Anne of the Indies— Red Dougal
1951Blackmailed— Mr. Sine
1951David and Bathsheba— Abishai
1951Pool of London— Engine Room Officer Trotter
1950The Magnet— Tramp
1950My Daughter Joy— Prof. Keval
1950Prelude to Fame— Sir Arthur Harold
1950The Black Rose— Simeon Beautrie
1949Bol Bol Viski!— Dr. Maclaren
1949Poet's Pub— Prof. Benbow
1949Stop Press Girl— Arthur Peters
1949Private Angelo— Feste
1949Christopher Columbus— Martin Alonso Pinzon
1948Against the Wind— Ackerman
1948Scott of the Antarctic— P.O. (Taff) Evans R.N.
1948Vice Versa— Dr. Grimstone
1948My Brother Jonathan— Eugene Dakers
1948Quartet— Branksome (segment "The Facts of Life")
1946Appointment with Crime— Prison Governor
1944For Those in Peril— Operations Room Officer
1944Champagne Charlie— Patron (uncredited)
1944Fiddlers Three— Centurion of the 8th Legion
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