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 in Martin Scorsese's multiple Oscar-winning crime thriller. 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.
Leonardo DiCaprio | William "Billy" Costigan, Jr. | |
Matt Damon | Staff Sgt. Colin Sullivan | |
Jack Nicholson | Francis "Frank" Costello | |
Mark Wahlberg | Staff Sgt. Sean Dignam | |
Martin Sheen | Capt. Oliver Charles Queenan | |
Ray Winstone | Arnold "Frenchy" French |
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