* AcclaimedFlop: Universally praised by critics, but it barely made up it's budget in box office returns, with a meager $1,000,000 in rentals (against a $340,000 budget) to show for it.
** AFIS100Years100Thrills: #88
*** #28 Hero, Juror #8
** AFIS100Years100Cheers: #42
** AFIS100Years100Movies10THAnniversaryEdition: #87
*** #2, Courtroom Drama
* BoxOfficeBomb: Budget, $340,000. Box office, $1 million (rentals). This film was dwarfed by color films released then, but was acclaimed by critics and is one of the most important films ever made.
* BreakthroughHit: For Creator/SidneyLumet.
** In Germany, the film was released as ''Die zwölf Geschworenen'' - "The Twelve Jurors".
** In Italy, the film was released as ''La Parola Ai Giurati'', meaning approximately, "Let's Hear The Jury Members"
** In Sweden the film was released as "12 edsvurna män", meaning approximately "12 Men Under Oath".[[note]]Under juror's oath that is, as they are jurors.[[/note]]
* DoingItForTheArt: Creator/HenryFonda and Creator/SidneyLumet both deferred their salaries for the film.