Continuity: When Cary Grant writes a message on a matchbook and Eve Marie Saint reads it, the number of lines in the message changes. He writes 3 lines, she reads 4 lines.
North by Northwest (1959) - 4 with pictures
Directed by Alfred Hitchcock, starring Cary Grant, Eva Marie Saint, James Mason, Martin Landau
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Revealing: In the shooting scene in the Mount Rushmore cafe, a boy in the background puts his fingers in his ears, because he knows the gun is about to be shot.
Continuity: When in James Mason's house in South Dakota, Cary Grant writes a message to Eva Marie Saint on a matchbook from which several matches are missing. When Ms. Saint subsequently reads the message the matchbook is full.
Trivia: Alfred Hitchcock's Cameo comes at the end of the opening credits, he can be found missing the bus.
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