• 
  Irving Pichel

  regizor

• 
  Natalie Wood

  Margaret Ludwig
• 
  Orson Welles

  John Andrew MacDonald/Erik Kessler
• 
  Leonard Carey

  Hamilton employee
• 
  Lane Chandler

  Hamilton lab technician
• 
  Richard Long

  Drew Hamilton
• 
  George Brent

  Lawrence Hamilton
• 
  Claudette Colbert

  Elizabeth Hamilton

• 
  Irving Pichel

  Commentator's voice on radio
• 
  Lucile Watson

  Aunt Jessica Hamilton
• 
  Ian Wolfe

  Norton

• 
  Joseph A. Valentine

  imagine
• 
  Max Steiner

  departament sunet
• 
  Jean Louis

  costume
• 
  Bernhard Kaun

  music department

• 
  Louis Forbes

  music department
• 
  Wiard Ihnen

  design de producţie
• 
  Richard A. Whiting

  Soundtrack
• 
  Max Steiner

  Soundtrack
• 
  Arthur Johns (I)

  sound department
• 
  Arthur Johns

  sound department
• 
  Lenore J. Coffee

  scriitor