• 
  Bryan Forbes

  regizor

• 
  Bryan Forbes

  scenarist

• 
  George Segal

  Corporal King
• 
  Tom Courtenay

  Lt. Robin Grey
• 
  James Fox

  Peter Marlowe
• 
  Patrick O'Neal

  Top Sgt. Max
• 
  Denholm Elliott

  Lt. G.D. Larkin:
• 
  James Donald

  Dr. Kennedy

• 
  Todd Armstrong

  Tex:
• 
  Geoffrey Bayldon

  Squadron Leader Vexley: Hut 16
• 
  John Warburton

  The Commandant: The Senior Officers
• 
  Joe Turkel

  Dino: The American Hut
• 
  Dale Ishimoto

  Yoshima: The Japanese
• 
  Gerald Sim

  Lt. Col. Jones: The Senior Officers
• 
  Teru Shimada

  The Japanese General: The Japanese

• 
  Arthur Malet

  Sgt. Blakeley: The Australians
• 
  Bryan Forbes

  Radio
• 
  David Frankham

  Cox: Hut 16
• 
  John Mills

  Col. George Smedley-Taylor: The Senior Officers
• 
  John Standing

  Capt. Daven: Hut 16
• 
  Mickey Simpson

  1st Sergeant Camp Liberator
• 
  Alan Webb

  Col. Brant: The Senior Officers
• 
  Leonard Rossiter

  Maj. McCoy: Hut 16
• 
  Richard Dawson

  Capt. Weaver: The Paratrooper
• 
  John Clarke

  Radio
• 
  James Donald

  Dr. Kennedy
• 
  Michael Lees

  Stevens
• 
  Sammy Reese

  Kurt (as Sammy Reese)
• 
  John Ronane

  Hawkins