Sherlock Holmes investigates a series of so-called "pajama suicides". He knows the female villain behind them is as cunning as Moriarty and as venomous as a spider. Based on "The Sign of Four" and the short stories "The Dying Detective", "The Final Problem", "The Speckled Band" and "The Adventure of the Devil's Foot".
as Sherlock Holmes
as Dr. John H. Watson
as Adrea Spedding
as Insp. Lestrade
as Norman Locke
as Radlik
as Adam Gilflower
as Mrs. Hudson
as Larry (uncredited)
as Artie - Shooting Gallery Attendant (uncredited)
as Fred Garvin (uncredited)
as Fortune Teller (uncredited)
as Obongo - Pygmy (uncredited)
as Charwoman (uncredited)
as Charwoman (uncredited)
as News Vendor (uncredited)
as Carnival Patron (uncredited)
as Toy Doll Attendant (uncredited)
as Susan (uncredited)
as Radio Announcer (uncredited)
as Casino Patron (uncredited)
as Casino Patron (uncredited)
as News Vendor (uncredited)
as Robert (uncredited)
as Casino Patron (uncredited)
as Casino Patron (uncredited)
as Doorman (uncredited)
as Casino Croupier (uncredited)
as Henchman Taylor (uncredited)
as Plainclothesman (uncredited)
as Casino Patron (uncredited)
as Casino Patron (uncredited)
as Casino Patron (uncredited)