The Departed
(2006)
Director:
Martin Scorsese
Writer:
William Monahan, Felix Chong Man-Keung, Alan Mak Siu-Fai
Cast:
Leonardo DiCaprio, Matt Damon, Jack Nicholson
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.