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)