Diretor/a
William Beaudine
DIRETOR/A
Elenco (na ordem dos créditos)
Roland Winters
Charlie Chan
Keye Luke
Lee Chan
Mantan Moreland
Birmingham Brown
Victor Sen Yung
Tommy Chan
Carol Forman
Sonia Cabot
Robert Livingston
Prof. John Stanley
Nils Asther
Prof. Paul Evans
Beverly Jons
Joan Farnsworth
Martin Garralaga
Pedro Francisco Lopez
George J. Lewis
Capt. Juan Gonzalez
Leslie Denison
Prof. Henry Farnsworth
Erville Alderson
Prof. Scottuncredited
Nick Borgani
Henchmanuncredited
Fred Cordova
Filippeuncredited
Juan Duval
Dr. Castalarauncredited
Frank Leyva
Joséuncredited
Jay Silverheels
Diegouncredited
Charles Stevens
Manueluncredited