Cast
Richard Derr
Carl Detheridge
Sidney Toler
Charlie Chan
Victor Sen Yung
Jimmy Chan
Douglass Dumbrille
Paul Manderley
Henry Daniell
Watson King
Lucien Littlefield
Prof. Gleason
Paul Kruger
(unconfirmed)
Lenita Lane
Lucy Borgia Manderley
Steven Geray
Dr. Retling
Edmund MacDonald
Walter Hartford
Arleen Whelan
Brenda Hartford
Ethel Griffies
Mme. Saturnia, aka Lizzie
George Chandler
The Bus Driver
Milton Parsons
Arthur Fletcher
Oliver Blake
The Hotel Manager
Tex Phelps
(scene deleted)