• 
  Susan George

  Audrey Woods
• 
  Boris Karloff

  Prof. Marcus Monserrat
• 
  Martin Terry

  Tobacconist
• 
  Ian Ogilvy

  Mike Roscoe
• 
  Ivor Dean

  Insp. Matalon
• 
  Sally Sheridan

  Laura Ladd (as Dani Sheridan)
• 
  Bill Barnsley

  Constable in Fur Store
• 
  Maureen Booth

  Dancer (as Maureen Boothe)

• 
  Gerald Campion

  Customer in China Shop
• 
  Elizabeth Ercy

  Nicole
• 
  Peter Fraser

  Detective George
• 
  Victor Henry

  Alan
• 
  Alf Joint

  Ron, the mechanic
• 
  Catherine Lacey

  Estelle / Estelle Monserrat
• 
  Meier Tzelniker

  The Jewish Baker

• 
  Stanley A. Long

  imagine
• 
  Ralph Sheldon

  montaj
• 
  Tony Tenser

  producător