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