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12 Angry Men, American courtroom film drama, released in 1957, considered a classic of the genre. It marked the feature-film directorial debut of Sidney Lumet. (Read Martin Scorsese’s Britannica essay on film preservation.) The film was adapted from a 1954 television play that aired on the series Studio One. It centres on the deliberations of 12 jurors serving on a murder case. Eleven jurors vote for a quick conviction, but one holdout (played by Henry...