Credits
Cast

Sidney Toler
Charlie Chan

Phyllis Brooks
Judy Hayes

Victor Sen Yung
James Chan

Eddie Collins
Al Hogan

John 'Dusty' King
Randolph

Claire Dodd
Mrs. Carol Wayne

George Zucco
Dr. Cardigan

Robert Barrat
Captain Johnson

Marc Lawrence
Johnny McCoy

Richard Lane
Joe Arnold

Ruth Clifford
Nurse

Layne Tom Jr.
Tommy Chan

Philip Ahn
Wing Foo

Paul Harvey
Inspector Rawlins

Grace Lem
Mama Chan (uncredited)
Art
Richard Day
Art Direction
Haldane Douglas
Art Direction
Thomas Little
Set Decoration
Camera
Charles G. Clarke
Director of Photography
Costume & Make-Up
Helen A. Myron
Costume Design
Directing

H. Bruce Humberstone
Director
Editing
Nick DeMaggio
Editor
Production

Sol M. Wurtzel
Producer
Sound
Joseph E. Aiken
Sound
William H. Anderson
Sound
Writing
Earl Derr Biggers
Characters
Charles Belden
Screenplay