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Trivia
If you look closely in one of the shots looking at the musician's pad you can see Hitchcock making a cameo like he does in all his movies. If you pay attention however, you might notice that this is a reenactment of a scene from one of his other movies, 'Rope.' Also, Hitchcock is standing in for James Stewart and the character he played in 'Rope' since Mr. Stewart is busy spying on this scene. See more...
Continuity: When a man carrying a big block of ice passes by the sculptress's backyard, we see her cat sitting on a chair next to her as she works on her "Hunger" sculpture. In one shot, the cat is facing toward the man, and in the next, it is facing away him when it gets up, turns around, and meows at him.
Revealing: In the shot of the helicopter hovering above the apartment building, the blue screen technique is needlessly revealed by the eratic and physically impossible movements of the chopper. This could have been avoided if the camera shooting the aircraft had been stationary. It appears, however, that it was a handheld shot.






