• 
  Dawn Bender

  Betty Morgan
• 
  Billy Bridges

  Driver Picking Up Thor
• 
  James Conklin

  Prof. Simpson
• 
  Bill DeLand

  Saul - Spaceship Crew
• 
  Carl Dickinson

  Gas Station Attendant (as Carl Dickensen)
• 
  Harvey B. Dunn

  Gramps Morgan
• 
  Tom Graeff

  Joe Rogers
• 
  Bryan Grant

  Thor

• 
  Ralph Lowe

  Moreal - Spaceship Crew
• 
  King Moody

  Spacecraft Captain
• 
  Helen Sage

  Nurse Morse
• 
  Gene Sterling

  The Alien Leader
• 
  Sonia Torgeson

  Alice Woodward
• 
  Frederick Welch

  Dr. C.R. Brandt, MD
• 
  David Love

  Derek

• 
  Fred Steiner

  music department