Calificación
Reparto

Warner Oland
Charlie Chan

Drue Leyton
Paula Graham

Donald Woods
Bob Crawford

Paul Harvey
J.P. Madden / Jerry Delaney

Murray Kinnell
Martin Thorne

Reginald Mason
Alexander Crawford

Virginia Hammond
Mrs. Sally Jordan

Si Jenks
Will Holley

Harvey Clark
Prof. Gamble

Jerry Jerome
Maydorf

Jack Carter
Victor Jordan

James Wang
Wong

DeWitt Jennings
Constable Brackett (as DeWitt C. Jennings)

Francis Ford
Hewitt

Lucille Miller
Stenographer

Mary MacLaren
Mother of Children