• 
  Vernon Sewell

  regizor

• 
  Mervyn Haisman

  scenarist
• 
  Henry Lincoln

  scenarist
• 
  Jerry Sohl

  scenarist
• 
  Louis M. Heyward

  scenarist
• 
  H.P. Lovecraft

  scenarist

• 
  Christopher Lee

  Morley
• 
  Boris Karloff

  Professor Marsh

• 
  Mark Eden

  Robert Manning
• 
  Barbara Steele

  Lavinia
• 
  Michael Gough

  Elder
• 
  Virginia Wetherell
• 
  Rosemarie Reede
• 
  Derek Tansley
• 
  Michael Warren

• 
  Ron Pember
• 
  Denys Peek
• 
  Nicholas Head
• 
  Nita Lorraine
• 
  Roger Avon
• 
  Stephanie Marrian
• 
  Vikki Richards
• 
  Tasma Bereton
• 
  Kevin Smith
• 
  Terry Raven
• 
  Douglas Mitchell
• 
  Nova St. Claire
• 
  Rupert Davies
• 
  Jeannette Wild
• 
  Fred Wood

• 
  John Poyner

  art department
• 
  Terry Wells

  art department
• 
  John Coquillon

  imagine
• 
  Jonathan Morris

  editorial department
• 
  Tony Tenser

  miscellaneous crew
• 
  Louis M. Heyward

  producător
• 
  Tony Tenser

  producător
• 
  Hugh Strain

  sound department
• 
  Henry Lincoln

  scriitor
• 
  H.P. Lovecraft

  scriitor