Critics score:
Reviews provided by RottenTomatoes
Bosley Crowther, New York Times: Perhaps if you have a special interest in foul folks and morbidities, you will thrill to this Hal Wallis picture. Frankly, we squirmed -- and not from dread. Read more
Dave Kehr, Chicago Reader: To make a movie of Lucille Fletcher's classic radio play was really to betray its best idea: that sound, not sight, is the truly paranoid sense. Read more
Ed Park, Village Voice: Number derives sleek hysteria from its audaciously constraining narrative strategy. Read more