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.
You can now watch The Departed online on the following streaming providers in the United States.
| Editing | Thelma Schoonmaker | Editor |
| Costume & Make-Up | Sandy Powell | Costume Design |
| Directing | Martin Scorsese | Director |
| Production | Brad Pitt | Producer |
| Camera | Michael Ballhaus | Director of Photography |
| Writing | William Monahan | Screenplay |
| Production | Graham King | Producer |
| Production | Brad Grey | Producer |
| Production | Ellen Lewis | Casting |
| Costume & Make-Up | Kathryn Blondell | Hairstylist |
| Visual Effects | Ron Ames | Visual Effects Producer |
| Crew | Larry Kaplan | Unit Publicist |
| Art | Leslie E. Rollins | Set Decoration |
| Costume & Make-Up | Kay Georgiou | Hairstylist |
| Costume & Make-Up | Johnny Villanueva | Hairstylist |
| Camera | Andrew Rowlands | Camera Operator |
| Camera | Andrew Cooper | Still Photographer |
| Art | Robert Thayer | Assistant Art Director |
| Crew | G. A. Aguilar | Stunt Coordinator |
| Costume & Make-Up | Thomas Stokes | Costume Supervisor |
| Camera | Thomas Lappin | Camera Operator |
| Costume & Make-Up | David Davenport | Costume Supervisor |
| Crew | Tim Monich | Dialect Coach |
| Costume & Make-Up | Michael Germain | Makeup Artist |
| Costume & Make-Up | Christine Beveridge | Makeup Artist |
| Production | Carla Raij | Location Manager |
| Camera | Bruce MacCallum | Camera Operator |
| Costume & Make-Up | Sian Grigg | Makeup Artist |
| Sound | Eugene Gearty | Supervising Sound Editor |
| Sound | Jennifer Dunnington | Music Editor |
| Directing | Martha Pinson | Script Supervisor |
| Costume & Make-Up | Donald Mowat | Makeup Artist |
| Costume & Make-Up | John Caglione Jr. | Makeup Artist |
| Sound | Philip Stockton | Supervising Sound Editor |
| Visual Effects | Robert Legato | Visual Effects Supervisor |
| Art | Kristi Zea | Production Design |
| Art | Theodore Suchecki | Construction Coordinator |
| Art | Teresa Carriker-Thayer | Art Direction |
| Art | Marion Kolsby | Assistant Art Director |
| Sound | Eugene Gearty | Sound Effects Editor |
| Crew | Robert Martini | Transportation Coordinator |
| Art | Erik Knight | Art Department Coordinator |
| Editing | Devin Sterling | Digital Intermediate |
| Sound | Tass Filipos | Music Editor |
| Costume & Make-Up | Joy Zapata | Hairstylist |
| Sound | Allan Zaleski | Sound Effects Editor |
| Sound | Tom Fleischman | Sound Re-Recording Mixer |
| Crew | Steven Kirshoff | Special Effects Coordinator |
| Directing | Joseph P. Reidy | Assistant Director |
| Visual Effects | David Ebner | Visual Effects Supervisor |
| Art | Susan Perlman | Set Decoration |
| Production | G. Mac Brown | Executive Producer |
| Production | Roy Lee | Executive Producer |
| Production | Doug Davison | Executive Producer |
| Crew | Brian Ricci | Special Effects |
| Crew | Eric Weinstein | Actor's Assistant |
| Lighting | Timothy Healy | Electrician |
| Crew | Paul A. Levin | Post Production Supervisor |
| Crew | Michael Arthur | Stunts |
| Crew | William 'Billy Jack' Jakielaszek | Special Effects |
| Crew | Lisa Shaftel | Scenic Artist |
| Art | Joseph S. Alfieri | Construction Coordinator |
| Sound | Philip Stockton | Dialogue Editor |
| Art | Robert Griffon Jr. | Property Master |
| Sound | Jac Rubenstein | Dialogue Editor |
| Crew | Peewee Piemonte | Stunts |
| Crew | Joseph Zamparelli | Stunt Driver |
| Crew | Shawnna Thibodeau | Stunts |
| Crew | Blaise Corrigan | Stunts |
| Crew | Lauren Hayward | Stunts |
| Crew | Jodi Michelle Pynn | Stunts |
| Crew | George B. Colucci Jr. | Stunts |
| Crew | Janet Paparazzo | Stunts |
| Sound | Jamie Baker | Foley Editor |
| Sound | Jeffrey Stern | ADR Supervisor |
| Sound | Kam Chan | Foley Editor |
| Sound | Marissa Littlefield | ADR Supervisor |
| Sound | Howard Shore | Original Music Composer |
| Sound | Marko Costanzo | Foley Artist |
| Crew | Chris Cenatiempo | Stunts |
| Directing | G. A. Aguilar | Second Unit Director |
| Writing | Felix Chong | Original Film Writer |
| Writing | Alan Mak | Original Film Writer |
| Crew | Alan Mak | Other |
| Crew | Andrew Lau Wai-Keung | Other |
| Production | Emma Tillinger Koskoff | Associate Producer |
| Art | David Swayze | Assistant Art Director |
