• 
  John Gilling

  regizor

• 
  Leon Griffiths

  scenarist

• 
  George Rose

  William Burke
• 
  Billie Whitelaw

  Mary Patterson
• 
  George Woodbridge

  dr. Ferguson
• 
  Philip Leaver

  dr. Elliott
• 
  Michael Mulcaster
• 
  Andrew Faulds

  inspectorul McCulloch

• 
  June Laverick

  Martha Knox
• 
  John Cairney

  Chris Jackson
• 
  Steven Berkoff

  student
• 
  John Rae

  pastorul Lincoln
• 
  Peter Cushing

  dr. Robert Knox

• 
  Robert S. Baker

  producător
• 
  Monty Berman

  producător

• 
  Monty Berman

  imagine
• 
  Jack Slade

  montaj
• 
  Bob Jones (I)

  sound department