• 
  Freddie Francis

  regizor

• 
  Michael Gough

  Master of the Moon
• 
  Jennifer Jayne

  Lee Mason
• 
  Zia Mohyeddin

  Farge
• 
  Robert Hutton

  Dr. Curtis Temple
• 
  Bernard Kay

  Richard Arden
• 
  Paul Bacon

  Dr. Rogers
• 
  Christopher Banks

  Doctor - Street

• 
  Norman Claridge

  Dr. Frederick Andrews
• 
  James Donnelly

  Guard
• 
  Maurice Good

  Stilwell
• 
  Pamela Greer

  Girl Attendant
• 
  John Harvey

  Bill Trethowan
• 
  Diana King

  Mrs. Trethowan
• 
  Hedger Wallace

  Alan Mullane (as Geoffrey Wallace)

• 
  Dermot Cathie

  Peterson

• 
  Scott Slimon

  art director
• 
  Milton Subotsky

  producător
• 
  Max Rosenberg

  producător
• 
  Gary Humphreys

  sound department
• 
  Les Bowie

  special effects
• 
  Milton Subotsky

  scriitor