출연진
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