When a woman is found dead with her throat torn out, the local villagers blame a supernatural monster. But Sherlock Holmes, who gets drawn into the case from nearby Quebec, suspects a human murderer.
as Sherlock Holmes
as Doctor Watson
as Potts / Tanner / Ramson
as Lord Penrose
as Emile Journet
as Judge Brisson
as Marie Journet
as Police Sergeant Thompson
as Drake
as Nora
as Attendant (uncredited)
as Hotel Day Desk Clerk (uncredited)
as Villager in Pub (uncredited)