Cast
Roland Winters
Charlie Chan
Keye Luke
Lee Chan
Nils Asther
Paul Evans
George J. Lewis
Juan Gonzalez
Erville Alderson
Prof. Scott (uncredited)
Charles Stevens
Manuel (uncredited)
Mantan Moreland
Birmingham Brown
Robert Livingston
John Stanley
Beverly Jons
Joan Farnsworth
Victor Sen Yung
Tommy Chan
Carol Forman
Sonia Cabot
Martín Garralaga
Pedro Francisco Lopez
Jay Silverheels
Diego (uncredited)