On screen
Cast
15 credited performers
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
Artwork unavailable
Harry Hutchinson
Bevan Cody
Artwork unavailable
Phil Ray
Tom Cawler
Artwork unavailable
George Street
Chief Commissioner
Artwork unavailable
Ross Landon
John Selford
Artwork unavailable
Raymond Mander
P.C. in Sneed's Office (Uncredited)
Charles Paton
Handwriting Expert (Uncredited)