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Mistakes

Just before Anthony Dawson is going to be stabbed to death by Grace Kelly with a pair of scissors, you can see for a very short moment that the scissors are already attached to his back. See more...

Trivia

Alfred Hitchcock's cameo in this film is one of the harder ones to spot: he appears in the photograph of Tony and Lesgate's Cambridge class reunion. See more...

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Genres: Crime, Mystery, Thriller

Comments made in brackets are corrections from other visitors. To submit your own corrections for mistakes, just click "edit" under an entry, then choose "correct entry". You can also submit corrections for corrections, if you think a mistake has been unfairly removed.

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After the trial, Chief Inspector Hubbard visits Tony to execute a complicated ruse that he had prearranged with Sergeant O'Brian (at the station) and Detective Williams (stationed upstairs). The ruse relies on the inspector mentioning Margot's handbag and switching raincoats with Tony. The inspector would have left the apartment without doing either of those things had it not been for Mark being present and calling out to the inspector, but the inspector would not have expected Mark to be in the apartment. [We do not know that the Inspector did not have some other plan to do these things, to come back some moments later for example. He could have just taken advantage of Mark's appearance.]
Edit
Early in the film, Grace Kelly is talking to Bob Cummings about their extra-marital relationship and blurts out "Oh, Bob." even though Bob Cummings' character's name is "Mark Halliday." [I think it's Grace Kelly's accent that just sounds like she said "Bob" but she actually did say "Mark".]
Edit Corrected by Mozzie-6