• 
  Kathleen Crowley

  Nora King
• 
  Richard Denning

  Frank Brooks
• 
  Steve Pendleton

  colonel
• 
  Whit Bissell

  Tom, Chief research scientist
• 
  Arthur Space

  Lt. General Wood
• 
  Mort Marshall

  Charles Otis

• 
  James W. Sullivan

  design de producţie
• 
  Morris Hoffman

  set decorator

• 
  Kay Rose

  sound department
• 
  James H. Nicholson

  scriitor
• 
  William Raynor

  scriitor