Robert Day
Director
John Croydon
Producer
Jan Read
Writer
John Croydon
Writer
Richard Gordon
Producer
Richard Gordon
Executive Producer
Buxton Orr
Original Music Composer
Peter Mayhew
Editor
Lionel Banes
Director of Photography
John Elphick
Set Designer
Jim Hydes
Makeup Artist
Ronald Kinnoch
Production Manager
Barbara Barnard
Hairstylist
Douglas Hickox
Assistant Director
Hazel Swift
Script Supervisor
Leo Rogers
Camera Operator
Les Bowie
Special Effects
Anna Duse
Costume Supervisor
Frederic Lewis
Conductor
Terry Poulton
Sound Editor
H.C. Pearson
Sound Recordist
Jan Read
Original Story
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)
