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.
Director:
Writer:
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
