• 
  Sidney Lumet

  regizor

• 
  Ray Rigby

  scenarist

• 
  Sean Connery

  Joe Roberts
• 
  Harry Andrews

  Sergent major Bert Wilson
• 
  Ian Bannen

  Charlie Harris
• 
  Ossie Davis

  Jacko King
• 
  Roy Kinnear

  Monty Bartlett
• 
  Ian Hendry (I)

  Staff Sergeant Williams

• 
  Michael Redgrave

  The Medical Officer
• 
  Jack Watson

  Jock McGrath
• 
  Norman Bird

  Commandant
• 
  Tony Caunter

  Martin
• 
  Alfred Lynch

  George Stevens
• 
  Howard Goorney

  Walters
• 
  Neil McCarthy

  Burton