Quotes
Roger Thornhill: The moment I meet an attractive woman, I have to start pretending I have no desire to make love to her.
Eve Kendall: What makes you think you have to conceal it?
Roger Thornhill: She might find the idea objectionable.
Eve Kendall: Then again, she might not.
Mistakes
At the end the couple are supposed to be returning from Rapid City, SD, to New York by train. The last shot shows a locomotive of the Southern Pacific Railway. The "Pacific" the two locomotives have been covered over (but not on the baggage and four passenger cars visible before fade-to-black). The consist is a mix of SP paint schemes, all of which identify the railroad regarless of names on the side. It would have been easy for them to obtain SP train equipment in LA, but it seems odd that they would have bothered to modify the railroad name on the locomotives, particulary to a real road that didn't serve the northern US either. See more...
Trivia
In the scene when Cary Grant is going up the steps to the UN, Alfred Hitchcock shot it from a rug truck across the street. He wasn't allowed to shoot the front of the UN. If you look closely, you can see a security guard in the left corner. See more...
Movie Mistakes blog
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Other great sites
North by Northwest (1959) - 4 with pictures
Directed by Alfred Hitchcock, starring Cary Grant, Eva Marie Saint, James Mason, Martin Landau (add more)
Genres: Action, Adventure, Mystery, Thriller
Screenshots of mistakes that have been online for less than a year are only visible to members, but the rest are available to everyone. Don't forget to check out the picture of the day, updated daily, and the top 30 screenshots too.