• 
  Edward L. Cahn

  regizor

• 
  Richard Denning

  Dr. Chet Walker
• 
  Angela Stevens

  Joyce Walker
• 
  Larry J. Blake

  Reporter #2
• 
  Lane Chandler

  Gen. Saunders
• 
  Gregory Gaye

  Dr. Wilhelm Steigg
• 
  Richard H. Cutting

  Dick Cutting, Radio Broadcaster
• 
  Charles Horvath

  Creature

• 
  Pierre Watkin

  Mayor Bremer

• 
  Aaron Stell

  montaj
• 
  Lucien Moraweck

  music department
• 
  George Duning

  music department
• 
  Daniele Amfitheatrof

  music department
• 
  Hans J. Salter

  music department
• 
  Sam Katzman

  producător

• 
  Eddie Saeta

  second unit director or assist
• 
  Curt Siodmak

  scriitor