Colonel Barclay is found dead and his wife is arrested for the murder, but Holmes is convinced a missing door key will reveal the true killer.
Eille Norwood
Sherlock Holmes
Hubert Willis
Dr. John Watson
Jack Hobbs
Henry Wood
Gladys Jennings
Mrs. Barclay
Dora De Winton
Miss Morrison
Richard Lindsay
Major Murphy
P.L. Mannock
Writer
Geoffrey Malins
George Ridgwell
Director
Arthur Conan Doyle
Story
