Diretor/a
Norman Lee
DIRETOR/A
Elenco (na ordem dos créditos)
Leslie Banks
Dr. Manetta
Lilli Palmer
June Lansdowne
Romilly Lunge
Dick Martin
Gina Malo
Glenda Baker
Richard Bird
Det. Inspector Cornelius 'Andy'Sneed
David Horne
Edward Havelock
J.H. Roberts
Luis Silva
Cathleen Nesbitt
Ann Cody
Harry Hutchinson
Bevan Cody
Philip Ray
Tom Cawler
Robert Montgomery
Craig the Butler
Aubrey Mallalieu
Lord Charles Francis Selford
Ross Landon
John Selford
Raymond Mander
P.C. in Sneed's Office(uncredited)
Charles Paton
Handwriting Expert(uncredited)
George Street
Chief Commissioner(uncredited)