Credits
Cast
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
Leslie Denison
Henry Farnsworth
Erville Alderson
Prof. Scott (uncredited)
Jay Silverheels
Diego (uncredited)
Charles Stevens
Manuel (uncredited)
Fred Cordova
Filippe (uncredited)
Juan Duval
Dr. Castalara (uncredited)
Frank Leyva
José (uncredited)
Art
Dave Milton
Art Direction
Raymond Boltz Jr.
Set Decoration
Camera
John J. Martin
Camera Operator
William A. Sickner
Director of Photography
Harry Lewis
Grip
Costume & Make-Up
Web Overlander
Makeup Artist
Directing
William A. Calihan Jr.
Assistant Director
William Beaudine
Director
Ilona Vas
Script Supervisor
Editing
Ace Herman
Editor
Otho Lovering
Supervising Editor
Lighting
Lloyd Garnell
Gaffer
Production
James S. Burkett
Producer
Allen K. Wood
Production Manager
Sound
Tom Lambert
Sound
Writing
Earl Derr Biggers
Characters
Oliver Drake
Screenplay, Adaptation, Story