The Horror of Blackwood Castle

Scotland Yard must discover why people are being murdered by a monstrous dog at Blackwood Castle.

• 
  Heinz Drache

  Humphrey Connery
• 
  Karin Baal

  Jane Wilson
• 
  Horst Tappert

  Douglas Fairbanks
• 
  Siegfried Schürenberg

  Sir John
• 
  Agnes Windeck

  Lady Agathy Beverton
• 
  Ilse Pagé

  Miss Finley
• 
  Mady Rahl

  Catharina Wilson
• 
  Uta Levka

  Dorothy Cornick
• 
  Hans Söhnker

  Anwalt Robert Jackson
• 
  Otto Stern

  Kapitän Wilson