Although the plot of the film is excellent and it is fascinating to see what little things can influence which way a verdict goes, where this film really succeeds is in presenting the characters of the 12 jurors. The character of each of the jurors emerges through a wonderful mix of perfect casting, excellent dialogue and near-flawless acting.
Juror #1 - a simple man who clearly does not understand the full complexity of the task that lies before him but is trying to do everything not to let anyone else find this out. He appears at ease only once during the film - when he talks about football. He has the misfortune to be selected foreman of the jury - a task he clearly does not relish.
Juror #2 - a small, quite man, clearly unaccustomed to giving his own opinion much less to expecting his views to be of any importance. Apparently he finds solace in his job - he is an accountant.
Juror #3 - probably the most complex personality in the film. Starts off like a pleasant self-made successful businessman, he analyses the case impartially, explains his arguments well and is reasonably self assured. As time goes on he becomes more and more passionate and seems to be somehow personally involved with the case. He also starts to show some signs of slight mental instability. Wonderfully played by Lee J. Cobb - this is the character you remember after the film is over.
Juror #4 - self assured, slightly arrogant stockbroker. Obviously considers himself more intelligent than anyone else in the room, he approaches the case with cool heartless logic but (as one of the jurors says - "this is not an exact science") he does not take into account the feelings, the passions, the characters of the people involved in the case. He is conspicuous by the fact t ...