Now this is proper film noir. Directed by Otto Preminger, written by Ben Hecht (under a fake name because of the blacklist, which I think adds a certain amount of world-weary bitterness to a script), and starring Richard Conte, Gene Tierney, and an extremely young and weird-looking Jose Ferrer as an unscrupulous hypnotist.
One thing I really liked was that there aren't any really nice people in the movie. Even before the evil hypnotist shows up, the "perfect couple" are lying to each other and quietly seething. That's good stuff right there.