Calificación
Reparto

Warner Oland
Charlie Chan

Katherine DeMille
Yvonne Roland

Pauline Moore
Betty Adams

Allan Lane
Richard Masters

Keye Luke
Lee Chan

C. Henry Gordon
Arthur Hughes

John Eldredge
Mr. Cartwright

Layne Tom Jr.
Charlie Chan Jr

Jonathan Hale
Mr. Hopkins

Morgan Wallace
Honorable Charles Zaraka

Frederick Vogeding
Inspector Strasser

Andrew Tombes
Chief of Homicide E. R. Scott

Howard Hickman
Police Doctor

Arno Frey
Carlos, Zaraka's Henchman

David S. Horsley
Test Pilot Edwards

Theresa Harris
Athlete