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