Warner Oland as Charlie Chan

Mary Brian as Yvette Lamartine

Thomas Beck as Victor Descartes

Erik Rhodes as Max Corday

John Miljan as Albert Dufresne

Murray Kinnell as Henri Latouche

Minor Watson as Insp. Renard

John Qualen as Concierge, Dufresne's Hotel (bit)

Keye Luke as Lee Chan

Henry Kolker as Paul Lamartine

Dorothy Appleby as Nardi

Perry Ivins as Bedell, Lamartine's secretary

Ruth Peterson as Renee Jacquard

Eddie Vitch as Sketch Artist (uncredited)

Lynn Bari as Club Patron (uncredited)

Harry Cording as Gendarme Arresting Yvette (uncredited)

Gino Corrado as Pierre (uncredited)