• 
  Mae Clarke

  Glenda Thomas
• 
  Stanley Price

  Gunther Von Strum
• 
  Dale Van Sickel

  Prof. Drake [Ch. 1]/Henchman Gates [Chs. 6-7, 9-11]
• 
  I. Stanford Jolley

  Prof. Bryant
• 
  Don Haggerty

  Tony Dirken
• 
  Bert LeBaron

  Henchman Morgan [Chs. 8-9]
• 
  Douglas Evans

  Chairman [Ch. 12]
• 
  Carey Loftin

  Henchman Sparks [Ch. 2]

• 
  Ellis W. Carter

  imagine
• 
  Stanley Wilson

  departament sunet
• 
  Walter Scharf

  music department
• 
  Ernest Gold

  music department
• 
  Marlin Skiles

  music department
• 
  Heinz Roemheld

  music department
• 
  James Redd

  set decorator

• 
  John McCarthy Jr.

  set decorator
• 
  Howard Lydecker

  special effects
• 
  Dale Van Sickel

  cascador
• 
  Bert LeBaron

  cascador
• 
  Carey Loftin

  cascador