On screen
Cast
17 credited performers
Roland Winters
Charlie Chan
Keye Luke
Lee Chan
Mantan Moreland
Birmingham Brown
Victor Sen Yung
Tommy Chan
Carol Forman
Sonia Cabot
Robert Livingston
John Stanley
Nils Asther
Paul Evans
Beverly Jons
Joan Farnsworth
Martín Garralaga
Pedro Francisco Lopez
George J. Lewis
Juan Gonzalez
Artwork unavailable
Leslie Denison
Henry Farnsworth
Erville Alderson
Prof. Scott (uncredited)
Jay Silverheels
Diego (uncredited)
Charles Stevens
Manuel (uncredited)
Artwork unavailable
Fred Cordova
Filippe (uncredited)
Artwork unavailable
Juan Duval
Dr. Castalara (uncredited)
Artwork unavailable
Frank Leyva
José (uncredited)