This episode (from 1955) has a formulaic and predictable plot. Nevertheless, it\'s very entertaining and a bit of fun.
While this was not one of the best episodes of the series, the acting was good and the suspense was sustained right up to the \"gotcha!\" ending. For a 1950s TV show, the cinematography was interesting (mirror shots, an unsual deep focus close-up at the end, and interesting angles).
Hitchcock\'s lead-in was a bit longer than usual and well worth it. It\'s interesting how, seconds after viewing a suspense drama, you find yourself chuckling from the 45 seconds of Hitchcock that follows.