Episode The Four Signatures Adaptation: Sherlock Hound Episode: 1 Airdate: 06 November 1984 IMDb: The Four Signatures (link not verified) Next: The Crown of Mazalin Cast Larry Moss as Sherlock Hound Lewis Arquette as Dr. John H. Watson Patricia Parris as Mrs. Hudson Lewis Arquette as Insp. G. Lestrade Hamilton Camp as Prof. James Moriarty Lewis Arquette as Smiley Larry Moss as Todd