• 
  Ronald Adam

  Scammel/Dumetrius
• 
  Richard Denning

  Major Gregory Keen
• 
  Ronald Leigh-Hunt

  Col. Julian Fentriss, M.I.5.
• 
  Brian Worth

  Capt. Peter Ridgeway
• 
  Bill Nagy

  Marzotti
• 
  Alex Gallier

  Max Rubenstein
• 
  Robert Crewdson

  Control Officer

• 
  John Stoll (I)

  art director

• 
  Ernest Palmer

  imagine
• 
  Charles F. Vetter

  producător