Sidney Toler as Charlie Chan

Benson Fong as Tommy Chan

Mantan Moreland as Birmingham Brown

James Cardwell as Ned Stewart

Joan Barclay as Paula Webb

Walter Fenner as Police Inspector Harry Davis

Roy Gordon as Walter Fletcher

Arthur Loft as Bradford Harris

Addison Richards as John Adams

Janet Warren as Record Machine Operator

Gene Roth as Morgan

Joe Devlin as Taylor

James Flavin as H.R. Jarvis

George Chandler as Joe