To take down South Boston's Irish Mafia, the police send in one of their own to infiltrate the underworld, not realizing the syndicate has done likewise. While an undercover cop curries favor with the mob kingpin, a career criminal rises through the police ranks. But both sides soon discover there's a mole among them.
Acting
Nicholson's unhinged mob boss steals every scene he's in.
Direction
Scorsese's first Oscar, and he absolutely earned it.
Editing
Razor-sharp cuts that keep you gasping for air.
Director
Martin Scorsese
Trivia, insights & behind the scenes
Remake of Hong Kong's 'Infernal Affairs,' but Scorsese cranked the Catholic guilt and machismo to 11.
The real-life Whitey Bulger was still on the run during filming; he was caught in 2011.
US
