Elenco

• 

  Joan Collins

  Molly Carmichael

• 

  Peter Cushing

  Michael Carmichael

• 

  Judy Geeson

  Peggy Heller

• 

  Ralph Bates

  Robert Heller

• 

  James Cossins

  The Doctor

• 

  Gillian Lind

  Mrs. Beamish

• 

  Brian Grellis

  2nd Policeman

• J

  John Bown

  1st Policeman

• 

  Jimmy Gardner

  Psychiatrist (uncredited)