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