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