• 
  Lloyd Bridges

  George Browning
• 
  Jeff Corey

  Beecham
• 
  Paul E. Burns

  Pops, the janitor
• 
  Lorna Gray

  Betty, alias Hannah Kelly
• 
  Don Beddoe

  Dr. Hamilton Gibbs
• 
  Nana Bryant

  Sybil Elwood Kaymeer
• 
  Ray Collins

  Arthur Burdett, alias Philip J. Fogarty
• 
  Sheila Ryan

  Edie Hanson

• 
  Alan Carney

  Evans
• 
  Douglas Evans

  cranic radio

• 
  Frank Hotaling (I)

  art director
• 
  Stanley Wilson

  departament sunet
• 
  Adele Palmer

  costume and wardrobe departmen
• 
  Richard L. Van Enger

  montaj
• 
  George Milo

  set decorator

• 
  John McCarthy Jr.

  set decorator
• 
  Howard Lydecker

  special effects