• 
  Don Chaffey

  regizor

• 
  Roy Dotrice

  David Carland
• 
  Peter Vaughan

  Johann
• 
  Guy Doleman

  Patrol Boat Commander
• 
  Clifford Evans

  Adm. Tringham
• 
  Honor Blackman

  Julie Chambois
• 
  Tony Caunter

  Elton
• 
  Jeremy Kemp

  Harry Riker

• 
  John Wilcox

  imagine
• 
  Tristram Cary

  departament sunet
• 
  Fred Engel

  producător
• 
  John Stoll (I)

  design de producţie
• 
  Norman Bolland

  sound department
• 
  Jim Shields (I)

  sound department
• 
  Bill Warrington

  special effects

• 
  Nick Allder

  special effects
• 
  Marvin H. Albert

  scriitor