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.
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
