• 
  Coleen Gray

  Liara
• 
  Francis X. Bushman

  Sessom
• 
  Richard Kiel

  The Solarite
• 
  Anthony Dexter

  Herron
• 
  Mel Curtis

  Lt. Cutler
• 
  Dean Fredericks

  Capt. Frank Chapman
• 
  Dick Haynes

  Col. Lansfield
• 
  John Herrin

  Capt. Beecher

• 
  Al Jarvis

  Judge Eden
• 
  Lori Lyons

  Radar Officer
• 
  Mike Marshall

  Lt. White
• 
  Earl McDaniel

  Capt. Leonard
• 
  Akemi Tani

  Communications Officer
• 
  Richard Weber

  Lt. Ray Makonnen
• 
  Jimmy Weldon

  Lt. Webb

• 
  David Newell

  make-up department
• 
  Ben Bard

  miscellaneous crew
• 
  Leith Stevens

  music department
• 
  Al Overton

  sound department