The Naked Edge (1961)
"ONLY THE MAN WHO WROTE PSYCHO COULD JOLT YOU LIKE THIS!"
Michael Anderson's 1961 suspense thriller stars Deborah Kerr as a London wife who suspects her wealthy husband (Gary Cooper) might be a murderer. The cast also includes Eric Portman, Diane Cilento, Hermione Gingold and Michael Wilding. This was Gary Cooper's last film.