• 
  Victor Vicas

  regizor

• 
  Nigel Patrick

  Major Julien Howard
• 
  Jeffrey Hunter

  Captain Bill Ranson
• 
  Wolf Frees

  Brauner, shot spy
• 
  David Kossoff

  Dr. Mulder
• 
  Beth Rogan

  Mary Ann Lennig
• 
  Claude Kingston

  Willem Mulder

• 
  Donald M. Ashton

  art director

• 
  John Wooldridge

  departament sunet
• 
  Russell Lloyd

  montaj
• 
  John Wooldridge

  music department
• 
  Ernest Gartside

  producător
• 
  David Pursall

  scriitor
• 
  Jack Seddon

  scriitor