• 
  John Ratzenberger

  Bill Sweeney
• 
  Christopher Lee

  John McKenzie
• 
  Sandy Simpson

  Moore
• 
  George Innes
• 
  Jeanette Nolan

  Mrs. Bartholomew
• 
  Mark Harmon

  Peter Cabot
• 
  Kirk Cameron

  Liam
• 
  Kip Niven

  Gantman

• 
  Christina Nigra

  Beth
• 
  Michael Evans

  Eric Whittaker
• 
  Robert Forster

  Comdr. Jeff Selkirk
• 
  John Carradine

  Ronald Bentley
• 
  Colin Drake

  Bătrân
• 
  Julie Bennett

  Sylvia King
• 
  Duncan Regehr

  Paul Ryker

• 
  Frank Gorshin (I)

  Dan Wesker
• 
  Alan Fudge

  Lew Bascomb
• 
  John Brandon

  Chief Engineer
• 
  Eddie Albert

  Admiral Wiley Sloan
• 
  Irene Hervey

  Carrie
• 
  Laird Stuart

  Paul
• 
  Emma Samms

  Lea McKenzie
• 
  John McIntire

  Senator Oliver Bartholomew
• 
  Alex Cord

  Dr. Sam Marlowe
• 
  Jean Marsh

  Dr. Goldman
• 
  Alan Caillou

  Goliath Captain

• 
  George Duning

  departament sunet
• 
  J. Terry Williams

  montaj
• 
  Richard M. Bluel

  producător
• 
  Hugh Benson

  producător
• 
  Ross Bellah

  design de producţie
• 
  Wayne Artman

  sound department
• 
  Tom Beckert

  sound department
• 
  James B. Clark

  sound department
• 
  Richard M. Bluel

  scriitor
• 
  Hugh Benson

  scriitor