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Warner Oland
Charlie Chan

Keye Luke
Lee Chan

Jon Hall
Philip Nash

Irene Hervey
Diana Woodland

Russell Hicks
James Andrews

Frederick Vogeding
Ivan Marloff

Halliwell Hobbes
Colonel Watkins, police commissioner

Neil Fitzgerald
Dakin - Colonel Watkins' Aide

Max Wagner
Taxi Driver Henchman

Colin Kenny
Reporter

Torben Meyer
French Diplomat

Joan Woodbury
Dancer in Versailles Cafe (uncredited)

Harry Strang
Chauffeur