12 Angry Men (1957/2007)

Directed by Sidney Lumet

IMDb
Wikipedia
Chicago Reader

Purchase the MGM DVD from Amazon
Purchase the 20th Century Fox DVD from Amazon
Purchase the Criterion DVD from Amazon
Purchase the Criterion Blu-ray Disc from Amazon
Purchase the Criterion DVD or Blu-ray Disc from Criterion

12 Angry Men is or was available in various other editions and/or collections.