• 
  Ralph Thomas

  regizor

• 
  Robin Estridge

  scenarist

• 
  John Mills

  Fraser
• 
  John Gregson

  Alec Duffy
• 
  Donald Sinden

  Tom Corbett
• 
  James Robertson Justice

  Ryder
• 
  Michael Medwin

  Smart
• 
  O.E. Hasse

  Captain of the Tirpitz

• 
  Walter Gotell

  German Officer on Tirpitz.
• 
  Lyndon Brook

  Diver Navigator, X2
• 
  Lee Patterson

  Cox
• 
  Cyril Chamberlain

  CPO Chubb
• 
  Theodore Bikel

  German Officer
• 
  Anthony Wager

  George
• 
  Leslie Weston

  Winley

• 
  Anthony Newley

  Engineer, X2
• 
  John Horsley

  Lt. Anderson

• 
  James D. Benson

  după un roman de