R | | Crime, Drama, Thriller
An undercover cop and a mole in the police attempt to identify each other while infiltrating an Irish gang in South Boston.
Leonardo DiCaprio called Billy and Colin "two sides of the same coin".
I don't want to be a product of my environment. I want my environment to be a product of me. Years ago we had the church. That was only a way of saying - we had each other. The Knights of Columbus were real head-breakers; true guineas. They took ...
(at around 30 mins) When Costigan is getting his arm put in plaster his stare is toward two totally different places between shots.
The title doesn't appear on screen until nearly 20 minutes into the movie.
£2,298,313 (UK) (8 October 2006)
$132,384,315 (USA) (22 March 2007)
Check out our guide to Comic-Con 2018, see what IMDb editors are watching, and more.