Calificación
Reparto

Reginald Owen
Sherlock Holmes

Anna May Wong
Mrs. Pyke

Alan Mowbray
Lestrade

Warburton Gamble
Dr. Watson

June Clyde
Eileen Forrester

John Warburton
John Stanford

Doris Lloyd
Mrs. Annabel Mary Murphy

J.M. Kerrigan
Jabez Wilson

Alan Dinehart
Merrydew

Billy Bevan
Will Swallow

Leila Bennett
Daffy Dolly

Wyndham Standing
Capt. Robin S. Pyke

Halliwell Hobbes
Malcolm Dearing