"After suffering a head injury during the Blitz, John Loder, a theatre actor comes to believe himself to be the Brighton Strangler, the murderer he was playing onstage."
John Loder
as Reginald Parker / Edward Grey
June Duprez
as April Manby Carson
Michael St. Angel
as Lieutenant Bob Carson
Miles Mander
as Chief Inspector W.R. Allison
Rose Hobart
as Dorothy Kent
Gilbert Emery
as Dr. Manby
Rex Evans
as Leslie Shelton
Matthew Boulton
as Inspector Graham
Olaf Hytten
as Banks
Lydia Bilbrook
as Mrs. Manby
Ian Wolfe
as Lord Mayor Herman Brandon R. Clive
Milton Owen
as Inspector (Uncredited)
Norman Ainsley
as First Passenger (Uncredited)
George Atkinson
as Bellboy (Uncredited)
Frank Baker
Frank Benson
Lillian Bronson
as Hotel Maid (Uncredited)
George Broughton
Tom Burton
as Policeman (Uncredited)
Wheaton Chambers
as Clerk (Uncredited)
Robin Sanders Clark
as English Pilot (Uncredited)
Harry Clay
as Pilot (Uncredited)
Robert Cory
as Chauffeur (Uncredited)
Alec Craig
as Vacuuming Bellboy (Uncredited)
Victor Cutler
Herbert Evans
as Manby's Butler (Uncredited)
Ellen George Ferguson
as Mrs. Shackleton (Uncredited)
Sherry Hall
as Hotel Desk Clerk (Uncredited)
Alec Harford
as Ticket Clerk (Uncredited)
Joy Harington
as London Waitress (Uncredited)
Lilyan Irene
as Emily (Uncredited)
Colin Kenny
Connie Leon
as Mrs. Clive (Uncredited)
Stanley Mann
Audrey Manners
as Cashier (Uncredited)
Frank Mayo
Tom McGuire
as Barman (Uncredited)
Mary McLeod
as Pamela (Uncredited)
Gavin Muir
as Captain Perry (Uncredited)
Joseph North
as Second Passenger (Uncredited)
Robert R. Stephenson
Doris Stone
as Dorothy's Maid (Uncredited)
Gus Taillon
as Newsie (Uncredited)
David Thursby
as Fireman (Uncredited)
Alan Ward
Eric Wilton
as Luggage Clerk (Uncredited)
Steve Winston
Florence Wix
as Mrs. Kent (Uncredited)
Arnold Lipp
Screenplay
Les Millbrook
Editor
Hugh Gray
Additional Dialogue
Sid Rogell
Executive Producer
Herman Schlom
Producer
Max Nosseck
Director
Leigh Harline
Original Music Composer
J. Roy Hunt
Director of Photography
Harley Miller
Set Decoration
Darrell Silvera
Renié
Costume Design
Ralph Berger
Art Direction
Albert S. D'Agostino
Vernon L. Walker
Special Effects
Lloyd Richards
Assistant Director
Lawrence Morton
Orchestrator
Roy Webb
Additional Music
James G. Stewart
Sound Re-Recording Mixer
Franz Waxman
Roy Meadows
Sound
Harold Palmer
Editorial Services
C. Bakaleinikoff
Music Director
Gil Grau
Frank Tours