ट्रिविया

Mariya Solomina, who played Helen Stoner and her twin sister Julia in this film, is the widow of now-deceased Vitali Solomin, who played Dr. Watson in this film.

In the scene where Sherlock Holmes is showing Watson pictures of his "good friends" , one of them is unmistakably the Phantom, from 1919's "Phantom of The Opera".