• 
  Lloyd Bridges

  Philip Graham
• 
  Ferdy Mayne

  Maxwell Carey
• 
  Peter Dyneley

  Anthony 'Tony' Roscoe
• 
  George Woodbridge

  Inspector Goldfinch
• 
  Finlay Currie

  Mr. Darius
• 
  Russell Waters

  The Scientist
• 
  Maureen Swanson

  Marina
• 
  Roger Delgado

  Detective Gonzales

• 
  Patrick Westwood

  hamal
• 
  Jane Asher

  Girl

• 
  Walter J. Harvey

  imagine
• 
  Molly Arbuthnot

  costume and wardrobe departmen
• 
  James Needs

  montaj
• 
  Michael Carreras

  producător
• 
  Jimmy Sangster

  production manager