Colin Sullivan: I'm going to need the identity of your undercovers.
Dignam: Blow me, all right? But not literally, though. Unfortunately, there's no promotion involved for you.
When Ellerby attacks the guy for not installing the cameras in the right place, he knocks off a map from the board. A second later Ellerby is still going after him, and the map is fixed.
This was Martin Scorsese's first film to win Best Picture. And his first Oscar for best Director. Martin also said that this was the first movie he ever made with a plot.