Harry Lachman
Director
Richard Day
Art Direction
Bernard Freericks
Sound
Harry M. Leonard
Sound
Virgil Miller
Director of Photography
Thomas Little
Set Decoration
John Brady
Editor
Lewis H. Creber
Art Direction
William Koenig
Production Manager
Herschel McCoy
Costume Design
Ralph Dietrich
Producer
John Francis Larkin
Screenplay
Earl Derr Biggers
Characters
Sidney Toler
Charlie Chan
Victor Sen Yung
Jimmy Chan
Lenita Lane
Lucy Borgia Manderley
Douglass Dumbrille
Paul Manderley
Steven Geray
Dr. Retling
Edmund MacDonald
Walter Hartford
Arleen Whelan
Brenda Hartford
Ethel Griffies
Mme. Saturnia, aka Lizzie
Henry Daniell
Watson King
Richard Derr
Carl Detheridge
Lucien Littlefield
Prof. Gleason
Milton Parsons
Arthur Fletcher
George Chandler
The Bus Driver
Oliver Blake
The Hotel Manager
Eric Wilton
The Majordomo
Paul Kruger
(unconfirmed)
Tex Phelps
(scene deleted)
