Charlie Chan
Sidney Toler
Tommy Chan
Benson Fong
Morgan
Gene Roth
Taylor
Joe Devlin
H.R. Jarvis
James Flavin
Joe
George Chandler
Birmingham Brown
Mantan Moreland
Ned Stewart
James Cardwell
Paula Webb
Joan Barclay
Police Inspector Harry Davis
Walter Fenner
Walter Fletcher
Roy Gordon
Bradford Harris
Arthur Loft
John Adams
Addison Richards
Record Machine Operator
Janet Warren
Director
Phil Karlson
Characters
Earl Derr Biggers
Screenplay
George Callahan
George Wallace Sayre
Original Story
Producer
James S. Burkett
Director of Photography
Vincent J. Farrar
Editor
Ace Herman
Production Manager
Glenn Cook
Sound Recordist
Tom Lambert