Cast
Alan Dinehart
Merrydew
Anna May Wong
Mrs. Pyke
Halliwell Hobbes
Malcolm Dearing
Reginald Owen
Sherlock Holmes
Alan Mowbray
Lestrade
Leila Bennett
Daffy Dolly
J.M. Kerrigan
Jabez Wilson
Billy Bevan
Will Swallow
Wyndham Standing
Capt. Robin S. Pyke
June Clyde
Eileen Forrester
Warburton Gamble
Dr. Watson
Doris Lloyd
Mrs. Annabel Mary Murphy
John Warburton
John Stanford