• 
  Jim Clark

  regizor

• 
  Vincent Price

  Paul Toombes
• 
  Peter Cushing

  Herbert Flay
• 
  Barry Dennen

  Blount
• 
  Christopher Sandford

  Reporter
• 
  Robert Cawdron

  CID Inspector
• 
  Adrienne Corri

  Faye
• 
  Linda Hayden

  Elizabeth Peters

• 
  Robert Quarry

  Oliver Quayle
• 
  Robert Quarry

  Oliver Quayle
• 
  Julie Crosthwaite

  Ellen Mason (as Julie Crosthwait)
• 
  Ellis Dale

  Alfred Peters
• 
  John Garrie

  Inspector Harper
• 
  Peter Halliday

  Psychiatrist
• 
  Jenny Lee Wright

  Carol Clayton

• 
  Michael Parkinson

  T.V. Interviewer
• 
  Natasha Pyne

  Julia Wilson
• 
  Ian Thompson

  Bradshaw
• 
  Catherine Willmer

  Louise Peters

• 
  Boris Karloff

  imagini de arhiva
• 
  Basil Rathbone

  imagini de arhiva
• 
  Douglas Gamley

  departament sunet
• 
  Douglas Gamley

  music department
• 
  John Dark

  producător
• 
  Milton Subotsky

  producător
• 
  Max Rosenberg

  producător
• 
  Samuel Z. Arkoff

  producător
• 
  Gary Humphreys

  sound department