Warner Oland as Charlie Chan

Keye Luke as Lee Chan

Helen Wood as Alice Fenton

Thomas Beck as Bruce Rogers

Alan Dinehart as George Chester

Gavin Muir as Bagley

Gloria Roy as Catherine Chester

Jonathan Hale as Warren Fenton

G.P. Huntley as Denny Barton

George Irving as Major Gordon Kent

Frank Coghlan Jr. as Eddie Brill, Jockey

Frankie Darro as 'Tip' Collins, Jockey

John Rogers as Mooney, Ship Cabin Steward

John Henry Allen as 'Streamline' Jones

Harry Jans as Al Meers

Sam Flint as Ship Captain

Paul Fix as Lefty

Sidney Bracey as Waiter on ship

James Flavin as Detective

Selmer Jackson as Lansing

Clyde McAtee as Pinkerton Man (uncredited)