Holmes and Watson match wits with an opera star intent on blackmailing a king.
Stars: Eille Norwood, Hubert Willis, Mme. d'Esterre, Joan Beverley, Alfred Drayton, Miles Mander
Crew: Maurice Elvey (Director), William J. Elliott (Writer), Arthur Conan Doyle (Original Story), Germain Burger (Director of Photography)
Country: United Kingdom
Language: No Language
Studio: Stoll Picture Productions
Runtime: 1:47:31 minutes
Quality: HD
Released: Apr 01, 1921
IMDb: 10
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