• 
  Leslie Denison

  Agent Clark
• 
  John Dehner

  Harris
• 
  John Bleifer

  Becker, Nazi henchman
• 
  William Gargan

  Agent Larry Cameron
• 
  Maria Palmer

  Greta Holvig
• 
  Bert Roach

  Herr Kompenik
• 
  Ilka Grüning

  Frau Schmidt
• 
  Eilene Janssen

  Anchaka Schmidt

• 
  Douglas Fowley

  Chief Agent Hanover
• 
  Kurt Katch

  Dr. Heligmann, Nazi project chief
• 
  Leyland Hodgson

  Agent Benson

• 
  Benjamin H. Kline

  imagine
• 
  William F. Claxton

  montaj
• 
  Emil Newman

  music department
• 
  Sol M. Wurtzel

  producător

• 
  Aubrey Wisberg

  scriitor