• 
  Spencer Gordon Bennet

  regizor

• 
  I. Stanford Jolley

  Dr. Z.V. Jaffa
• 
  Stanley Price

  Filmore Hagen [Ch. 11]
• 
  Larry Steers

  Dr. Harcourt [Chs. 9-10]
• 
  Anthony Warde

  Nick Ward
• 
  Dale Van Sickel

  Bill [Ch. 4]/Hodges [Ch. 7]/Smith [Ch. 10]/Bass [Ch. 12-13]
• 
  Robert J. Wilke

  Cab Driver [Ch. 1]/Jailer [Ch. 10]
• 
  Ramsay Ames

  Ruth Dayton

• 
  LeRoy Mason

  Dr. Godfrey [Ch. 5]
• 
  Carol Forman

  Sombra, The Black Widow
• 
  Ernie Adams

  Blinky
• 
  Carey Loftin

  Spike, Cargo Plane Thug [Chs. 4-5]

• 
  Adele Palmer

  costume and wardrobe departmen
• 
  Cy Feuer

  music department
• 
  Ernest Gold

  music department

• 
  James Redd

  set decorator
• 
  John McCarthy Jr.

  set decorator
• 
  Herbert Norsch

  sound department
• 
  Howard Lydecker

  special effects
• 
  Dale Van Sickel

  cascador
• 
  Carey Loftin

  cascador
• 
  Basil Dickey

  scriitor