Cast
Boris Karloff
James Rankin
Jean Kent
Cora Seth
Elizabeth Allan
Barbara Rankin
Anthony Dawson
Supt. Burk
Vera Day
Pearl
Tim Turner
Dr. Kenneth McColl
Diane Aubrey
Lily Rankin
Max Brimmell
Newgate Prison Turnkey
Leslie Perrins
Newgate Prison Governor
Jessica Cairns
Asylum Maid
Dorothy Gordon
Hannah
Desmond Roberts
Dr. Johnson
Roy Russell
Medical Superintendent
Derek Birch
Guyse Hospital Superintendent
Peggy Ann Clifford
Kate
John Fabian
Young Blood
Joan Elvin
Can-Can Girl
Audrey Sykes
Laughing Lady at Hanging (uncredited)
Marie Devereux
Show Girl (uncredited)
Crew
Robert Day
Director
(Directing)
Richard Gordon
Producer
(Production)
John Croydon
Producer
(Production)
Jan Read
Writer
(Writing)
John Croydon
Writer
(Writing)
Richard Gordon
Executive Producer
(Production)
Peter Mayhew
Editor
(Editing)
Buxton Orr
Original Music Composer
(Sound)
Barbara Barnard
Hairstylist
(Costume & Make-Up)
Ronald Kinnoch
Production Manager
(Production)
Douglas Hickox
Assistant Director
(Directing)
Jim Hydes
Makeup Artist
(Costume & Make-Up)
Lionel Banes
Director of Photography
(Camera)
John Elphick
Set Designer
(Art)
Hazel Swift
Script Supervisor
(Directing)
Terry Poulton
Sound Editor
(Sound)
Les Bowie
Special Effects
(Crew)
Anna Duse
Costume Supervisor
(Costume & Make-Up)
Leo Rogers
Camera Operator
(Camera)
Frederic Lewis
Conductor
(Sound)
Jan Read
Original Story
(Writing)
H.C. Pearson
Sound Recordist
(Sound)