
Grim mystery to hold you breathless!
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".
Norman Locke

Alec Craig
Radlik

Arthur Hohl
Adam Gilflower

Mary Gordon
Mrs. Hudson

Teddy Infuhr
Larry (uncredited)

Donald Stuart
Artie - Shooting Gallery Attendant (uncredited)

Harry Cording
Fred Garvin (uncredited)

Belle Mitchell
Fortune Teller (uncredited)