• 
  Compton Bennett

  regizor

• 
  Dirk Bogarde

  Simon Van Halder
• 
  Theodore Bikel

  Anton Meyer
• 
  Walter Gotell

  Ravitch's Servant-Henchman
• 
  Carl Jaffe

  Cellblock Guard Becker
• 
  Fritz Wendhausen

  Warder Goeter
• 
  Albert Lieven

  Paul Ravitch, alias Schleger
• 
  Ferdy Mayne

  Detective Laurence

• 
  Friedrich Joloff

  Valentin Vladek, alias Winter
• 
  Mai Zetterling

  Anna DeBurg

• 
  Maurice Carter

  art director
• 
  C.M. Pennington-Richards

  imagine
• 
  Julie Harris

  costume
• 
  John D. Guthridge

  montaj
• 
  Barbara Cole

  miscellaneous crew

• 
  Earl St. John

  producător
• 
  Patrick Kirwan

  scriitor