• 
  Charles Crichton

  regizor
• 
  Lee H. Katzin

  regizor

• 
  Martin Landau

  John Koenig
• 
  Roy Dotrice

  Commissioner Gerald Simmonds
• 
  Shane Rimmer

  Eagle Pilot
• 
  Nick Tate

  Alan Carter
• 
  Paul Weston

  Main Mission Operative
• 
  Chai Lee

  Anna Wong - Main Mission Operative

• 
  Norma West

  Main Mission Operative
• 
  Isla Blair

  Female Alien
• 
  Charles Napier

  Shuttle Captain
• 
  Barry Morse

  Professor Victor Bergman
• 
  Barbara Bain

  Dr. Helena Russell
• 
  Philip Madoc

  Commander Anton Gorski

• 
  Barry Gray

  departament sunet

• 
  Basil Newall

  make-up department
• 
  Edward Di Lorenzo

  miscellaneous crew
• 
  Alan Willis (I)

  music department
• 
  Gerry Anderson

  producător
• 
  Sylvia Anderson

  producător
• 
  Keith Wilson

  design de producţie
• 
  Peter Pennell

  sound department
• 
  Nick Allder

  special effects
• 
  Brian Johnson

  special effects
• 
  Gerry Anderson

  scriitor
• 
  Sylvia Anderson

  scriitor