• The Human Factor (1979)
    Col. John Daintry
  • The Chess Players (1977)
    General Outram
  • A Bridge Too Far (1977)
    Lunatic wearing glasses (uncredited)
  • Conduct Unbecoming (1975)
    Maj. Lionel E. Roach
  • Brannigan (1975)
    Cmdr. Swann
  • The Last Grenade (1970)
    Gen. Charles Whiteley
  • The Sand Pebbles (1966)
    Frenchy Burgoyne
  • Guns at Batasi (1964)
    Regimental Sgt. Major Lauderdale
  • The Great Escape (1963)
    Squadron Leader Roger Bartlett ‘Big X’
  • Whistle Down the Wind (1961)
    Man with sack (uncredited)
  • SOS Pacific (1959)
    Whitey Mullen
  • Breakout (1959)
    Capt. ‘Bunter’ Phillips
  • The Baby and the Battleship (1956)
    Knocker White
  • Private’s Progress (1956)
    Pvt. Percival Henry Cox
  • Glory at Sea (1952)
    Dripper Daniels
  • Operation Disaster (1950)
    Stoker Snipe
  • Stairway to Heaven (1946)
    An English Pilot
  • Journey Together (1945)
    David Wilton (Navigator)
  • Brighton Rock (1942)
    Pinkie Brown
  • In Which We Serve (1942)
    Young powder handler

After advancing all the way up the military hierarchy in 35 years, the only thing left to do was leave acting for directing.  And once those worlds were conquered, bring dinosaurs back to the world and become Santa Claus.