A Window in London (1940)
A man witnesses a murder that isn't a murder, only to get involved with the magician and his wife who created the illusion. The insanely jealous magician husband eventually kills his wife, making for complications in life of unhappily married man who is now involved more than he ever thought he would be.
Directed by: Herbert Mason
Starring: Michael Redgrave, Sally Gray, Paul Lukas, Hartley Power, Patricia Roc, Glen Alyn
Links: IMDb, Movie posters, Movie stills