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.
as Charlie Chan
as Lee Chan
as Philip Nash
as Diana Woodland
as James Andrews
as Ivan Marloff
as Colonel Watkins, police commissioner
as Dakin - Colonel Watkins' Aide
as Taxi Driver Henchman
as Reporter
as French Diplomat
as Dancer in Versailles Cafe (uncredited)
as Chauffeur
