• 
  Harvey Korman

  German Colonel
• 
  Lou Jacobi

  Papa Leo
• 
  Wilhelm von Homburg

  GGI Man
• 
  Joe Devlin

  Waiter-Spy
• 
  Ben Lessy

  Harry
• 
  Sig Ruman

  Prof. Werner von Koenig
• 
  Eddie Carroll

  Slate Boy
• 
  Joe Gray (I)

• 
  Nancy Sinatra

  Micheline
• 
  Henry Dar Boggia

  Train Conductor
• 
  Connie Sawyer

  Florence
• 
  Gary Owens

  Voice
• 
  Fred Carson

  Zoltan's Body Guard
• 
  Phyllis Davis (I)

  Beautiful Girl
• 
  Larry Duran

  Them II

• 
  Roland Anderson

  art director
• 
  Hal Pereira

  art director
• 
  Per Anderson

  art director
• 
  Harold E. Stine

  imagine
• 
  Edith Head

  costume
• 
  Otho Lovering

  montaj
• 
  Edy Williams

  Herself
• 
  Robert R. Benton

  set decorator
• 
  James W. Payne

  set decorator
• 
  Nancy Sinatra

  Soundtrack
• 
  John Keefe

  sound department
• 
  Fred Carson

  cascador
• 
  Farciot Edouart

  visual effects
• 
  Paul K. Lerpae

  visual effects