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

Edwin L. Marin