"Doctors perform brain surgery to reform a hardened criminal"
Donald Gray
as James Martin
Ann Wemyss
as Joan Bauer
Mary Newcomb
as Helen Rollins
Ronald Ward
as Michael Waring
Henri De Vries
as Professor Bauer
Alastair Sim
as 'Pop' Lawler
James Carew
as Dr. Rollins
Henry Caine
as Sergeant Cox
Eric Hales
as Carter
Joana Pereira
as Miss Bauer
Arnold Bell
as Leech
Lillian Talbot
as Mrs. Barker
Martin Lewis
as
Charles Howard
John Cox
Sound
Hubert Osborne
Screenplay
Colin Wark
Music Director
W.J. Hemsley
Art Direction
Peter Tanner
Editor
Ronald Neame
Cinematography
Albert Parker
Director
