Casts
Warner Oland
as Charlie Chan
Drue Leyton
as Paula Graham
Donald Woods
as Bob Crawford
Paul Harvey
as J.P. Madden / Jerry Delaney
Murray Kinnell
as Martin Thorne
Reginald Mason
as Alexander Crawford
Virginia Hammond
as Mrs. Sally Jordan
Si Jenks
as Will Holley
Harvey Clark
as Prof. Gamble
DeWitt Jennings
as Constable Brackett (as DeWitt C. Jennings)
