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.
Basil Rathbone
as Sherlock Holmes
Nigel Bruce
as Doctor Watson
Gerald Hamer
as Potts / Tanner / Ramson
Paul Cavanagh
as Lord Penrose
Arthur Hohl
as Emile Journet
Miles Mander
as Judge Brisson
Kay Harding
as Marie Journet
David Clyde
as Police Sergeant Thompson
Ian Wolfe
as Drake
Victoria Horne
as Nora
Al Ferguson
as Attendant (uncredited)
Olaf Hytten
as Hotel Day Desk Clerk (uncredited)
