The Sign of Four: Sherlock Holmes' Greatest Case

A young woman turns to Holmes for protection when she's menaced by an escaped killer seeking missing treasure. However, when the woman is kidnapped, Holmes and Watson must penetrate the city's criminal underworld to find her.

• W.P. LipscombScreenplay
• Graham CuttsDirector

• Arthur WontnerSherlock Holmes
• Isla BevanMary Morstan
• Ian HunterDr. John Watson
• Graham SouttenJonathan Small
• Herbert LomasMaj. John Sholto
• Gilbert DavisDet. Insp. Atherly Jones
• Margaret YardeMrs. Smith
• Roy EmertonThe Tattooed Man
• Mr. BurnhettTattoo Artist
• Charles FarrellFunfair Patron
• Clare GreetMrs. Hudson
• Moore MarriottMordecai Smith