(1968) The Lost Continent

as Dr. Webster

(1963) The Great Escape

as Cavendish 'The Surveyor'

(1983) Yellowbeard

as Admiral

(1970) Cromwell

as Sir Edward Hyde

(1958) The Silent Enemy

as Able Seaman Fraser

(1948) Brighton Rock

as Cubitt

(1947) It Always Rains on Sunday

as Ted Edwards

(1960) Never Let Go

as Regan

(1967) The Night of the Generals

as Otto

(1981) Dear Brutus

as Coade

(1962) H.M.S. Defiant

as Senior Midshipman Kilpatrick

(1961) Victim

as Phip

(1964) The Big Breaker

as Elvet

(1986) Blood Hunt

as The Rev. Davidson

(1962) The Password Is Courage

as Cole

(1968) The Lion in Winter

as William Marshall

(1964) Nothing But the Best

as Ferris

(1964) The High Bright Sun

as Colonel Park

(1977) When I'm Rich

as (voice)

(1975) Russian Roulette

as Captain Ferguson

(1958) The Caine Mutiny Court-Martial

as ---

(1955) The Dam Busters

as Flying / Off. F. M. Spafford, D.F.C., D.F.M.

(1954) Aunt Clara

as Charles Willis

(1963) To Have and to Hold

as George Matthews

(1961) Where the Difference Begins

as Edgar

(1939) Goodbye, Mr. Chips

as John Forrester (uncredited)

(1973) Bequest to the Nation

as George Matcham

(1939) Sons of the Sea

as Rudd

(1974) Is It Something I Said?

as Wallace

(1938) Luck of the Navy

as ---

(1970) The Others

as Robert Williams

(1964) The Life of Galileo

as Narrator / Sagredo / Cardinal Bellarmin / Pamphleteer / Peasant

(1960) Who Pays the Piper?

as ---

(1953) Malta Story

as Giuseppe Gonzar

(1952) Derby Day

as Jim Molloy

(1975) Operation: Daybreak

as General

(1956) The Battle of the River Plate

as Chief Officer, Tairoa, Prisoner on Admiral Graf Spee

(1983) Red Monarch

as Molotov

(1985) The Pickwick Papers

as Mr. Pickwick

(1979) A Man Called Intrepid

as Winston Churchill

(1955) The Night My Number Came Up

as The Pilot

(1986) Theban Plays: Oedipus the King

as Chorus

(1964) Weekend at Dunkirk

as Un soldat brûlé

(1970) I Can't See My Little Willie

as Arthur Palmer

(1956) Eyewitness

as Barney

(1980) The Mirror Crack'd

as Inspector Gates ("Murder at Midnight")

(1985) Young Sherlock Holmes

as Rupert T. Waxflatter

(1951) The Lady with a Lamp

as George Winch

(1982) Doctor Who: Time-Flight

as Professor Hayter

(1982) The Barretts of Wimpole Street

as Dr. Chambers

(1981) The Union

as Harry Pollitt

(1986) Ladies' Night

as Monks

(1947) Rope

as ---

(1937) Vice Versa

as Mr. Paul Bultitude

(1967) The Prisoner

as The Colonel / Number Six / Seltzman

(1972) Colditz

as Gestapo Officer One

(1963) Doctor Who

as Professor Hayter

(1981) Triangle

as Wally James

(1961) The Avengers

as ---

(1962) Out of This World

as ---

(1987) Knights of God

as ---

(1962) The Saint

as Jim Chase

(1980) Yes Minister

as ---

(1970) Doomwatch

as Commander Charles Keeping

(1951) Hallmark Hall of Fame

as First player

(1964) The Wednesday Play

as ---

(1959) No Hiding Place

as ---

(1968) The Expert

as General Sir Charles Lamborbey

(1974) Fall of Eagles

as General Alexiev

(1964) Sherlock Holmes

as Dr. Watson

(1963) Lorna Doone

as ---

(1975) Quiller

as Loman

(1985) The Pickwick Papers

as Mr. Pickwick

(1979) Tinker Tailor Soldier Spy

as ---

(1986) Unnatural Causes

as Monks

(1969) The Main Chance

as George Fisher

(1965) The Troubleshooters

as Arthur Rogers

(1956) Armchair Theatre

as Walter Daymer

(1970) Play for Today

as Arthur Palmer

(1965) The Troubleshooters

as Herr Schlilling

(1970) Play for Today

as Coade

(1972) Van der Valk

as Hoofd-commissaris Samson

(1956) Armchair Theatre

as Martin

(1964) The Wednesday Play

as Elvet

(1981) Winston Churchill: The Wilderness Years

as Admiral Domvile