• 
  Robert J. Wilke

  Zod, Pursuit Plane Pilot [Chs. 10-11]
• 
  Carey Loftin

  Ambulance Thug [Ch. 3]
• 
  Dale Van Sickel

  Henchman Mac/False Prof. Graves [Chs. 6-7]/Cave guard #1[Ch. 11]
• 
  John Daheim

  Cave Guard #2 [Ch.11]
• 
  Carol Forman

  Nila
• 
  Bert LeBaron

  Warehouse Thug [Chs. 1-2, 10]
• 
  Roy Barcroft

  Spade Gordon

• 
  Stanley Wilson

  departament sunet

• 
  Adele Palmer

  costume and wardrobe departmen
• 
  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
• 
  John Daheim

  cascador
• 
  Bert LeBaron

  cascador
• 
  Carey Loftin

  cascador
• 
  Basil Dickey

  scriitor