Goofs:
Factual errors: When the subway motorman is shot and slumps in the motorman's cab, "the dead man's feature" should have taken effect, applying the train's brakes automatically when his hand came off the controller. Instead, the train continued moving at its excessive speed. (more)

Trivia:
The conductor on the subway train was the actual conductor, whose name was Bob Morrone. The actor who was supposed to play the conductor didn't show up on the day that scene was to be filmed. In addition, the motorman was the actual motorman. The Transit Authority refused to allow an actor to operate a subway train. (more)

Filming Locations:
86th Street, Brooklyn, New York City, New York, USA (more)

Quotes:
[first lines]
Jimmy 'Popeye' Doyle: Merry Christmas. What's your name, little boy?
Little Boy: Eric.
Jimmy 'Popeye' Doyle: Uh-huh, Eric. What do you want for Christmas Eric? Hmmm?
(more)

Awards:
Won 5 Oscars. Another 15 wins & 8 nominations (more)