Trailer
Images
 | Jack Nicholson as Francis "Frank" Costello |
 | Leonardo DiCaprio as William "Billy" Costigan, Jr. |
 | Matt Damon as Staff Sgt. Colin Sullivan |
 | Mark Wahlberg as Staff Sgt. Sean Dignam |
 | Vera Farmiga as Dr. Madolyn Madden |
 | Martin Sheen as Capt. Oliver Charles Queenan |
 | Ray Winstone as Arnold "Frenchy" French |
 | Anthony Anderson as Trooper Brown |
 | Alec Baldwin as Capt. George Ellerby |
 | Kevin Corrigan as Cousin Sean |
 | James Badge Dale as Barrigan |
 | David O'Hara as Fitzy |
 | Robert Wahlberg as Lazio |
 | Kristen Dalton as Gwen |
 | Thomas B. Duffy as Govenor |
| Richard Hughes as Uncle Edward |
| Chance Kelly as Exam Instructor |
| Larry Mitchell as Younger Priest |
 | Mark Rolston as Delahunt |
 | J. C. MacKenzie as Realtor |
| Mary Klug as Billy's Aunt |
| Robert 'Toshi' Kar Yuen Chan as Triad Boss |
 | Peg Holzemer as Mrs. Kennefick |
 | Gurdeep Singh as Pakistani Proprietor |
 | Armen Garo as Providence Gangster #1 |
 | John Cenatiempo as Providence Gangster #2 |
 | Brian Smyj as Man Glassed in Bar |
| William Severs as Older Priest |
| Douglas Crosby as Man Killed by French |
 | Dorothy Lyman as Woman at Bar #1 |
 | Audrie Neenan as Woman at Bar #2 |
 | Conor Donovan as Young Colin |
 | Patrick Coppola as Bookie Harassed by French |
 | Mick O'Rourke as Jimmy Bags |
 | Nellie Sciutto as Queenan's Secretary |
 | Henry Yuk as Chinese Government Man |
 | John Rue as Luncheonette Proprietor |
| Joseph P. Reidy as Priest with Young Colin |
 | John Farrer as Priest at Billy's Funeral |
 | Billy Smith as Detective #1 Tailing Queenan |
 | Brian Haley as Detective #2 Tailing Queenan |
 | Terry Serpico as Detective #3 Tailing Queenan |
| Jay Giannone as Detective #4 Tailing Queenan |
| David Conley as Gang Member with Mr. French |
 | Tracey Paleo as Darlene the Secretary |
 | Jill Brown as Executed Woman |
 | Tom Kemp as Billy Costigan, Sr. (credit only) |
 | Kevin P. McCarthy as Detective #1 - Colin's Unit |
 | Chris Fischer as Detective #2 - Colin's Unit |
 | Joseph Riccobene as Kneecapped Bankrobber |
 | Johnny Cicco as Crack Addict |
 | Lyman Chen as Translator |
 | Shay Duffin as Bartender at Brasserie |
| David Fischer as Executed Man |
 | Emma Tillinger Koskoff as Woman with Dog |
| Craig 'Radioman' Castaldo as Crack House Denizen |
 | Francesca Scorsese as Little Girl at Airport |
 | Dennis Lynch as Costello's Crew #1 |
 | Michael Byron as Costello's Crew #2 |
| Takumi Bando as Triad (uncredited) |
 | Eric Bruno Borgman as Reporter (uncredited) |
 | Brendan Burke as Irish Thug (uncredited) |
| Chris Chinn as Gang Member (uncredited) |
 | Jeffrey Corazzini as Crime Scene Unit (uncredited) |
 | Jim Ford as Cadet (uncredited) |
| Trudi Goodman as Woman Office Worker (uncredited) |
| Steve Lord as Academy Pistol Coach (uncredited) |
| Jack McCullough as EMT (uncredited) |
| Osmani Rodriguez as Reporter (uncredited) |
 | Lawrence Cameron Steele as Academy Firearms Instructor (uncredited) |
| Conor Timmis as Rugby Fan (uncredited) |
| Joseph Oliveira as Officer (uncredited) |
| Adam Masnyk as Southie Teen / Soccer Player (uncredited) |
| John Franchi as Pedestrian (uncredited) |
| Paul McGillicuddy as Subway Passenger (uncredited) |
 | Kim Carrell as MA State Police Detective |
 | Robert Myers as Cadet Parent (uncredited) |
 | Rebecca Love as Adult Film Actress (uncredited) |
 | Kadrolsha Ona Carole |
| Sound | |
| Howard Shore | Original Music Composer |
Production | |
| Brad Pitt | Producer |
Directing | |
| Martin Scorsese | Director |
Production | |
| Brad Grey | Producer |
Sound | |
| Eugene Gearty | Sound Effects Editor |
| Eugene Gearty | Supervising Sound Editor |
Production | |
| Ellen Lewis | Casting |
Editing | |
| Thelma Schoonmaker | Editor |
Camera | |
| Michael Ballhaus | Director of Photography |
Costume & Make-Up | |
| Christine Beveridge | Makeup Artist |
Art | |
| Leslie E. Rollins | Set Decoration |
Crew | |
| Eric Weinstein | Actor's Assistant |
Directing | |
| Joseph P. Reidy | Assistant Director |
Costume & Make-Up | |
| Sandy Powell | Costume Design |
Art | |
| Kristi Zea | Production Design |
Crew | |
| Tim Monich | Dialect Coach |
| Steven Kirshoff | Special Effects Coordinator |
Costume & Make-Up | |
| John Caglione Jr. | Makeup Artist |
Production | |
| Graham King | Producer |
Writing | |
| William Monahan | Screenplay |
Production | |
| Doug Davison | Executive Producer |
| Roy Lee | Executive Producer |
| G. Mac Brown | Executive Producer |
Lighting | |
| Timothy Healy | Electrician |
Crew | |
| Paul A. Levin | Post Production Supervisor |
Writing | |
| Alan Mak | Screenplay |
| Felix Chong | Screenplay |
Sound | |
| Kam Chan | Foley Editor |
| Marko A. Costanzo | Foley Artist |
| Marissa Littlefield | ADR Supervisor |
Production | |
| Carla Raij | Location Manager |
Costume & Make-Up | |
| Kay Georgiou | Hairstylist |
Crew | |
| Blaise Corrigan | Stunts |
Visual Effects | |
| Ron Ames | Visual Effects Producer |
Sound | |
| Jeffrey Stern | ADR Supervisor |
Camera | |
| Thomas Lappin | Camera Operator |
Visual Effects | |
| David Ebner | Visual Effects Supervisor |
Crew | |
| G. A. Aguilar | Stunt Coordinator |
| George B. Colucci Jr. | Stunts |
Art | |
| Susan Perlman | Set Decoration |
Crew | |
| Peewee Piemonte | Stunts |
Costume & Make-Up | |
| Donald Mowat | Makeup Artist |
Art | |
| Teresa Carriker-Thayer | Art Direction |
Costume & Make-Up | |
| David Davenport | Costume Supervisor |
| Michael Germain | Makeup Artist |
Sound | |
| Philip Stockton | Supervising Sound Editor |
| Philip Stockton | Dialogue Editor |
Costume & Make-Up | |
| Joy Zapata | Hairstylist |
Sound | |
| Jac Rubenstein | Dialogue Editor |
Camera | |
| Andrew Cooper | Still Photographer |
| Bruce MacCallum | Camera Operator |
Sound | |
| Tom Fleischman | Sound Re-Recording Mixer |
Camera | |
| Andrew Rowlands | Camera Operator |
Costume & Make-Up | |
| Kathryn Blondell | Hairstylist |
Visual Effects | |
| Robert Legato | Visual Effects Supervisor |
Sound | |
| Jennifer Dunnington | Music Editor |
Directing | |
| Martha Pinson | Script Supervisor |
Crew | |
| Larry Kaplan | Unit Publicist |
Art | |
| Marion Kolsby | Assistant Art Director |
Sound | |
| Allan Zaleski | Sound Effects Editor |
Costume & Make-Up | |
| Johnny Villanueva | Hairstylist |
Editing | |
| Devin Sterling | Digital Intermediate |
Art | |
| Robert Griffon Jr. | Property Master |
| Theodore Suchecki | Construction Coordinator |
Costume & Make-Up | |
| Sian Grigg | Makeup Artist |
Art | |
| Erik Knight | Art Department Coordinator |
| Robert Thayer | Assistant Art Director |
Costume & Make-Up | |
| Thomas Stokes | Costume Supervisor |
Sound | |
| Tass Filipos | Music Editor |
Crew | |
| Robert Martini | Transportation Coordinator |
| William 'Billy Jack' Jakielaszek | Special Effects |
Sound | |
| Jamie Baker | Foley Editor |
Crew | |
| Shawnna Thibodeau | Stunts |
| Brian Ricci | Special Effects |
| Michael Arthur | Stunts |
| Janet Paparazzo | Stunts |
| Lisa Shaftel | Scenic Artist |
| Joseph Zamparelli | Stunt Driver |
| Jodi Michelle Pynn | Stunts |
Art | |
| Joseph S. Alfieri | Construction Coordinator |
Crew | |
| Lauren Hayward | Stunts |
