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