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