It became Scorsese's first and, to date, only win for Best Director Wahlberg was also nominated for Best Supporting Actor. The Departed was a critical and commercial success, and won several accolades, including four Oscars at the 79th Academy Awards: for Best Picture, Best Director, Best Adapted Screenplay, and Best Film Editing. When both sides realize the situation, Sullivan and Costigan each attempt to discover the other's identity before they are found out. Irish Mob boss Frank Costello (Nicholson) plants Colin Sullivan (Damon) as a spy within the Massachusetts State Police simultaneously, the police assign undercover state trooper Billy Costigan (DiCaprio) to infiltrate Costello's crew. The film stars Leonardo DiCaprio, Matt Damon, Jack Nicholson, and Mark Wahlberg, with Martin Sheen, Ray Winstone, Vera Farmiga, Alec Baldwin and James Badge Dale in supporting roles.

It is both a remake of the 2002 Hong Kong film Infernal Affairs and also loosely based on the real-life Boston Winter Hill Gang the character Colin Sullivan is based on the corrupt FBI agent John Connolly, while the character Frank Costello is based on Irish-American gangster Whitey Bulger. The Departed is a 2006 American epic crime thriller film directed by Martin Scorsese and written by William Monahan.

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