The Door with Seven Locks (1940)

The Door with Seven Locks (also known as Chamber of Horrors) is a 1940 British horror-mystery film starring Leslie Banks and Lilli Palmer. It is based off of a story by Edgar Wallace.

Plot
A false heir and a murder are somehow found to be connected to a mysterious torture chamber.

Cast

 * Leslie Banks as Dr. Manetta
 * Lilli Palmer as June Lansdowne
 * Romilly Lunge as Dick Martin
 * Gina Malo as Glenda Baker
 * Richard Bird as Det. Inspector Cornelius 'Andy' Sneed
 * David Horne as Edward Havelock
 * J.H. Roberts as Luis Silva
 * Cathleen Nesbitt as Ann Cody
 * Harry Hutchinson as Bevan Cody
 * Philip Ray as Tom Cawler