• 
  Herbert Lom

  Police Commissar Vargas
• 
  Anne Baxter

  Kimberley Prescott
• 
  Alan Tilvern

  Carlos
• 
  Alexander Knox

  Chandler Brisson (Uncle Chan)
• 
  Richard Todd

  Williams, alias Ward McKenzie Prescott Jr.
• 
  Faith Brook

  Elaine Whitman

• 
  Paul Sheriff (I)

  art director
• 
  Erwin Hillier

  imagine

• 
  Anthony Mendleson

  costume
• 
  Douglas Fairbanks Jr.

  producător
• 
  Douglas Fairbanks Jr.

  Himself (epilogue)
• 
  John Victor-Smith

  sound department
• 
  David D. Osborn

  scriitor