When a prominent official is murdered at a banquet honoring Charle Chan, the detective and son Lee team up to expose an opium-smuggling ring.
James Tinling
Director
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
