• 
  Roy Boulting

  regizor

• 
  Billie Whitelaw

  Joan Harper
• 
  Frank Finlay

  Henry Durnley
• 
  Phyllis Calvert

  Enid Durnley
• 
  Timothy West

  Supt. Dakin
• 
  Timothy Bateson

  Mr. Groom
• 
  Russell Waters

  Hospital Attendant
• 
  Hayley Mills

  Susan Harper

• 
  Basil Dignam

  Doctor
• 
  Hywel Bennett

  Martin Durnley
• 
  Russell Napier

  Prof. Fuller
• 
  Thorley Walters

  Sir John Forrester
• 
  Christian Roberts

  Philip Harvey
• 
  Barry Foster

  Gerry Henderson
• 
  Richard Davies

  'Taffy' Evans

• 
  Gretchen Franklin

  'Clarkie'
• 
  Brian Peck

  Det-Sgt Rogers
• 
  Salmaan Peerzada

  Shashie Kadir (as Salmaan Peer)

• 
  Harry Waxman

  imagine
• 
  Bernard Herrmann

  departament sunet
• 
  George Partleton

  make-up department
• 
  Bernard Herrmann

  music department
• 
  Howard Blake

  music department
• 
  John Boulting

  producător
• 
  Roy Boulting

  scriitor