• 
  Sidney Hayers

  regizor

• 
  George Baxt

  scenarist

• 
  Anton Diffring

  Dr. Schuler
• 
  Erika Remberg

  Elissa Caro
• 
  Yvonne Monlaur

  Nicole Vanet
• 
  Donald Pleasence

  Vanet
• 
  Jane Hylton

  Angela
• 
  Kenneth Griffith

  Martin

• 
  Jack Gwillim

  Supt. Andrews
• 
  Yvonne Romain

  Melina
• 
  William Mervyn

  Doctor Morley
• 
  John Merivale

  Edward Finsbury
• 
  Carla Challoner

  Nicole
• 
  Walter Gotell

  Baron Von Gruber
• 
  Kenny Baker

  Dwarf

• 
  Conrad Phillips

  Insp. Arthur Ames

• 
  Samuel Z. Arkoff

  producător
• 
  Leslie Parkyn

  producător
• 
  Julian Wintle

  producător
• 
  Douglas Slocombe

  imagine
• 
  Reginald Mills

  montaj
• 
  Muir Mathieson

  coloană sonoră
• 
  Franz Reizenstein

  coloană sonoră