Dupin
Joseph Cotten
Madeline Minot
Leslie Caron
Lorna Bounty
Barbara Stanwyck
Charles Theverner
Louis Calhern
Martin
Joe De Santis
Flaherty
Jim Backus
Mrs. Flynn
Margaret Wycherly
Durand
Richard Hale
Dr. Roland
Nicholas Joy
Policeman
Roy Roberts
Zack
Mitchell Lewis
Landlady
Jean Inness
The Pharmacist (uncredited)
Francis Pierlot
Driver
Hank Worden
Angry Woman
Helen Eby-Rock
Quartet
Charles Watts
Quartet
Phil Dunham
Quartet
James Logan
Quartet
A. Cameron Grant
Child
Robin Winans
Child
Rudy Lee
Child
Lynette Bryant
Clerk
Dan Foster
Juggler
Duke Johnson