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* AdaptationDisplacement: Originally a 1954 teleplay for CBS' ''Studio One'' anthology series, it is now best known for its later adaptations as a [[ScreenToStageAdaptation stage play]] and film.
* AlternativeCharacterInterpretation:
** The defendant - innocent man or murderer? For all of the doubt the jury casts on the prosecution's case, there's still plenty of reason for the audience to conclude that he's guilty. This was done deliberately, of course; even Juror #8 admits that he isn't sure that they aren't about to set a murderer free. Then there's the question of, if the defendant did in fact commit the murder, [[AssholeVictim was he really in the wrong]]?
** There have been productions that portray Juror #8 not as a noble crusader but rather as a ManipulativeBastard who's trying to get a murderer set free basically just to see if he can.
** When Juror #4 refuses to change his vote near the end, does he honestly still think the defendant is guilty? Or is he merely doing it so that the process of proper deliberation, which Juror #8 started, is properly finished?
* AwardSnub: The 1957 version, largely overshadowed by ''Film/TheBridgeOnTheRiverKwai'', failed to win anything at the Oscars. Additionally, none of the actors received nominations for their work. Though Henry Fonda did end up winning a BAFTA for his performance, and both he and Lee J. Cobb earned Golden Globe nods.
* DudeNotFunny: The other jurors' reaction to #3 pretending to raise the knife to stab #8.
* HilariousInHindsight: When #3, talking about his son, tells how he told him [[Disney/{{Mulan}} "I'll make a man out of you."]]
* JerkassWoobie: Juror #3, at least by the end.
* RetroactiveRecognition: Juror #5 will be instantly familiar to anyone who's seen an episode of ''Series/{{Quincy}}''. Jack Klugman even gets to do a Quincy-style deduction years before the series was conceived, by pointing out the inconsistent nature of the knife wound.
* TearJerker: When Juror #3 finally realizes what he's doing; he tears up the picture of him and his son and just breaks down crying. The DVD release of the film manages to make it even worse with the chapter titles. The title of the chapter containing Juror #3's VillainousBreakdown? "One Angry Man".
--> '''Juror #3:''' No...not guilty...''not guilty''...!
* ValuesDissonance:
** At the time this was written in the '50s, women and nonwhites were excluded from jury service in some parts of the country. These days, the script is often produced as ''Twelve Angry Jurors'' with a more diverse cast.
** Physical abuse is treated more lightly in this movie than it would be today. While most of the jurors seem to disapprove that the boy's father beat him regularly, they don't seem too phased when Juror #3 defends it against "a kid like that".
* VindicatedByHistory: The critics in 1957 were [[CriticalDissonance rooting for]] Lumet's movie version, but the public wasn't interested and the movie failed at the box office. ''12 Angry Men'' has since earned a place in pop culture rivalled (aside from ''Film/ToKillAMockingbird'') by no other courtroom drama--plus the 88th spot on AFI's ''100 Years. . .100 Thrills'' list. No mean feat for a non-action adventure film.[[note]]For perspective, below this movie, among others, were ''Film/TheAdventuresOfRobinHood'' at #100 ''{{Film/Speed}}'' at #99, and ''{{Film/Braveheart}}'' at #91[[/note]]

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