• 
  Robert Siodmak

  regizor

• 
  Roland Kibbee

  scenarist

• 
  Burt Lancaster

  Capitanul Vallo
• 
  Nick Cravat

  Ojo
• 
  Eva Bartok

  Consuelo
• 
  Margot Grahame

  Bianca
• 
  Frank Pettingell

  colonel
• 
  James Hayter

  Prof. Prudence

• 
  Noel Purcell

  Pablo Murphy
• 
  Eliot Makeham

  Governor
• 
  John Chandos

  Stub Ear
• 
  Christopher Lee

  Joseph (attache)
• 
  Dana Wynter

  La Signorita
• 
  Charles Horvath
• 
  Leslie Bradley

  Baron Jose Gruda

• 
  Enzo Giobbe

  Rol de o replică
• 
  Torin Thatcher

  Humble Bellows