Goofs:
Errors in geography: When Bill The Butcher tells Boss Tweed about the streets that make up the Five Points, he names five. There were only three; two continuing through and one ending. Little Water and Mulberry Streets were nearby, but not at the intersection itself. (more)

Trivia:
Martin Scorsese got interested in the project in the early 1970s after he read the book while house-sitting on Long Island one New Year's Eve. (more)

Filming Locations:
Cinecittà Studios, Cinecittà, Rome, Lazio, Italy (more)

Quotes:
Bill: Careful, Tweedy. The Mort's Frenchified. (more)

Awards:
Nominated for 10 Oscars. Another 33 wins & 59 nominations (more)