Jack Lemmon was nominated for a Golden Globe for his performance, and lost to Ving Rhames. Upon winning, however, Rhames asked Lemmon to join him on stage and presented the award to him. Lemmon declared that the moment was "one of the sweetest in my life."
Screenwriter Reginald Rose updated his own 43-year-old teleplay, racially integrating the cast of jurors for the first time. When asked in an interview why he didn't cast some of the jurors as women, he jokingly (but accurately) quipped, "Then the title would have to be changed to '12 Angry Persons,' and it wouldn't be as effective."
Filmed in sequence.
The apartment layout is the exact opposite of the one in the 1957 movie.
In this updated version, the line referring to the electric chair and pulling the switch was changed to "give him the needle" referring to lethal injection since the electric chair is no longer used in capital punishment cases.