this should be the film (if it shows up...):
The New York Times likes it. DVDTalk says, "With its fine set of star performances, this is one of the best entertainments from the Master of Suspense." Films de France opens with this:
Alfred Hitchcock’s faithful screen adaptation of Frederick Knott’s hugely successful stage play Dial M for Murder is one of the director’s most confined works - virtually all of the story takes place in just one set – yet it is also one of his most compelling thrillers, and a practically flawless piece of direction.