Norman Lee
Director
John Argyle
Producer
Ted Richards
Editor
C. Gilbert
Art Direction
Hamilton G. Inglis
Production Manager
Ernest Palmer
Director of Photography
Alex Bryce
Director of Photography
Edgar Wallace
Novel
F. McNally
Sound Recordist
Gilbert Gunn
Screenplay
Norman Lee
Screenplay
Guy Jones
Original Music Composer
Roy Parkinson
First Assistant Director
Harry Benson
Sound Supervisor
Ronald Anscombe
Camera Operator
Guy Jones
Music Director
Leslie Banks
Dr. Manetta
Lilli Palmer
June Lansdowne
Cathleen Nesbitt
Ann Cody
Gina Malo
Glenda Baker
David Horne
Edward Havelock
Romilly Lunge
Dick Martin
Richard Bird
Inspector Cornelius 'Andy' Sneed
J.H. Roberts
Luis Silva
Aubrey Mallalieu
Lord Charles Francis Selford
Harry Hutchinson
Bevan Cody
Phil Ray
Tom Cawler
George Street
Chief Commissioner
Ross Landon
John Selford
Raymond Mander
P.C. in Sneed's Office (Uncredited)
Charles Paton
Handwriting Expert (Uncredited)
George Street
Chief Commissioner (Uncredited)
