• 
  Spencer Gordon Bennet

  regizor

• 
  Fred Kelsey

  Police Chief Forman [Chs. 5, 13-14]
• 
  Creighton Hale

  Observer [Ch. 1]
• 
  Edward Hearn

  Prof. Stone [Chs. 3-4]
• 
  John Elliott

  Council member (stock footage) [Ch. 7]
• 
  Eddie Fetherston

  Thug loading truck [Ch. 1]
• 
  Frank Hagney

  Impatient man at bridge [Ch. 1]
• 
  Jack Chefe

  Eddie - TV truck crewman [Chs. 10-12]

• 
  Tommy Farrell

  Man Observing Ship Rescue/Briggs, Chs. 2, 10
• 
  Kit Guard

  Cave entrance guard [Chs. 8, 14]
• 
  Lyle Talbot

  Luthor / The Atom Man
• 
  Pierre Watkin

  Perry White
• 
  Chuck Roberson

  Policeman on road [Chs. 11-12, 14]
• 
  Stanley Blystone

  Joe Evans (interviewee) [Ch. 12]

• 
  Luana Walters

  imagini de arhiva

• 
  Ira H. Morgan

  imagine
• 
  Marlin Skiles

  music department
• 
  David Raksin

  music department
• 
  Sam Katzman

  producător
• 
  Herbert B. Leonard

  production manager
• 
  Howard Swift

  special effects
• 
  Frank Hagney

  cascador
• 
  Chuck Roberson

  cascador
• 
  Jerry Siegel

  scriitor