| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anton Gold | Crew | Sound | Production Sound Mixer |
 Bob Weinstein | Crew | Production | Executive Producer |
Brad Weston | Crew | Crew | Thanks |
Brian Christensen | Crew | Crew | Stunts |
 Cameron Crowe | Crew | Crew | Thanks |
 Cara Giallanza | Crew | Directing | Assistant Director |
 Christopher Kulikowski | Crew | Crew | Post Production Supervisor |
 Darren Aronofsky | Crew | Production | Executive Producer |
 David Hoberman | Crew | Production | Producer |
 David O. Russell | Crew | Directing | Director |
 Donald Mowat | Crew | Costume & Make-Up | Makeup Department Head |
Dorothy Aufiero | Crew | Production | Producer |
Elizabeth Cecchini | Crew | Costume & Make-Up | Hairstylist |
 Eric Weinstein | Crew | Crew | Actor's Assistant |
Gene Serdena | Crew | Art | Set Decoration |
Geoffrey Haley | Crew | Camera | Steadicam Operator |
 Harvey Weinstein | Crew | Production | Executive Producer |
 Hoyte van Hoytema | Crew | Camera | Director of Photography |
Hugo Dominguez | Crew | Visual Effects | Visual Effects |
 Jeff G. Waxman | Crew | Production | Co-Producer |
Joshua D. Comen | Crew | Visual Effects | Visual Effects Producer |
 Judy Becker | Crew | Art | Production Design |
Karen Golden | Crew | Directing | Script Supervisor |
Ken Halsband | Crew | Production | Co-Producer, Executive In Charge Of Production |
Laura Ballinger | Crew | Art | Art Direction |
Lee Wimer | Crew | Editing | Color Timer |
 Mark Bridges | Crew | Costume & Make-Up | Costume Design |
Mark Kamine | Crew | Production | Unit Production Manager |
 Mark Wahlberg | Crew | Production | Producer |
 Michael Brook | Crew | Sound | Original Music Composer |
Odin Benitez | Crew | Sound | Sound Designer |
 Pamela Martin | Crew | Editing | Editor |
 Paul E. Short | Crew | Crew | Utility Stunts |
Paul Tamasy | Crew | Writing | Screenplay, Story, Producer |
Ray Siegle | Crew | Crew | Stunt Coordinator |
Rob Fitz | Crew | Costume & Make-Up | Makeup Artist |
 Scott Silver | Crew | Writing | Screenplay |
Sheila Jaffe | Crew | Production | Casting |
Susan Jacobs | Crew | Crew | Thanks |
 Todd Lieberman | Crew | Production | Producer |
 Tucker Tooley | Crew | Production | Executive Producer |
 Anthony Molinari | Crew | Crew | Stunts |
Ben Bornstein | Crew | Costume & Make-Up | Prosthetic Supervisor |
Eric Johnson | Crew | Writing | Screenplay, Story, Executive Producer |
Lizzy Calhoun | Crew | Editing | Assistant Editor |
 Ryan Kavanaugh | Crew | Production | Producer |
Tim Carras | Crew | Visual Effects | Visual Effects Supervisor |
Andrew Troy | Crew | Crew | Post-Production Manager |
Keith Dorrington | Crew | Writing | Story, Executive Producer |
Leslie Varrelman | Crew | Production | Executive Producer |
Kristen Barry | Crew | Costume & Make-Up | Hairstylist |
 Jen Weissenberg | Crew | Crew | Stunts |
 Haley Sweet | Crew | Production | Production Supervisor |
Woody Bell | Crew | Camera | Grip |
Donald Frazee | Crew | Crew | Special Effects Coordinator |
 Michele Ziegler | Crew | Directing | Assistant Director |
Brian Ricci | Crew | Crew | Special Effects |
Brian Courchine | Crew | Sound | Boom Operator |
 Gary Archer | Crew | Costume & Make-Up | Prosthetics |
 Alison Folland | Cast | Actress | Laurie Carroll |
 Amy Adams | Cast | Actress | Charlene Fleming |
 Bianca Hunter | Cast | Actress | Cathy "Pork" Eklund |
Bo Cleary | Cast | Actor | Cop |
 Bonnie Aarons | Cast | Actress | Crackhead Bonnie |
Brian Christensen | Cast | Actor | Drunk Guy |
 Christian Bale | Cast | Actor | Dicky Eklund |
 Dendrie Taylor | Cast | Actress | Gail "Red Dog" Eklund |
Emanuel Steward | Cast | Fight Announcer | |
Eric Weinstein | Cast | Actor | Micky's Friend |
 George Foreman | Cast | Actor | Fight Announcer |
 Jack McGee | Cast | Actor | George Ward |
 Jenna Lamia | Cast | Actress | Sherri Ward |
 Kim Carrell | Cast | Actor | Reporter #2 |
 Larry Merchant | Cast | Actor | Fight Announcer |
Mark Wahlberg | Cast | Actor | Micky Ward |
 Melissa Leo | Cast | Actress | Alice Ward |
 Michael Buffer | Cast | Actor | Fight Announcer |
Peter Cunningham | Cast | Actor | Mike "Machine Gun" Mungin |
 Ross Bickell | Cast | Actor | Mike Toma |
 Roy Jones Jr. | Cast | Actor | Fight Announcer |
 Sugar Ray Leonard | Cast | Actor | Sugar Ray Leonard |
 Ted Arcidi | Cast | Actor | Lou Gold |
Walter Driscoll | Cast | Court Officer | |
Anthony Molinari | Cast | Actor | Neary |
 Dale Place | Cast | Actor | Referee Micky Vann |
Jeremiah Kissel | Cast | Actor | Bald Businessman |
Matthew Muzio | Cast | HBO Cameraman #2 | |
Miguel Espino | Cast | Alfonso Sanchez | |
Richard Farrell | Cast | HBO Cameraman #1 | |
 Simon Hamlin | Cast | Movie Patron | |
Sean Malone | Cast | Wolfie | |
Caitlin Dwyer | Cast | Actress | Kasie Ward |
 Chanty Sok | Cast | Actress | Karen |
 Erica McDermott | Cast | Actress | Cindy "Tar" Eklund |
 Jackson Nicoll | Cast | Actor | Little Dicky |
 Melissa McMeekin | Cast | Actress | "Little Alice" Eklund |
 Mickey O'Keefe | Cast | Mickey O'Keefe | |
Jen Weissenberg | Cast | Actress | Drunk Girl |
 Matthew Russell | Cast | Actor | Running Kid #1 |
 Thomas Benton | Cast | Actor | Businessman |
 Frank Renzulli | Cast | Actor | Sal Lanano |
 Jim Lampley | Cast | Actor | Fight Announcer |
 Dicky Eklund Jr. | Cast | Actor | Man on Street #4 |
 Kate B. O'Brien | Cast | Phyllis "Beaver" Eklund | |
Steven Barkhimer | Cast | HBO Producer | |
Catherine Lynn Stone | Cast | Actress | Fan |
Lee Wesley | Cast | Fight Spectator #1 | |
Paul Campbell | Cast | Actor | Gary "Boo Boo" Giuffrida |
 Jill Quigg | Cast | Donna Eklund Jaynes | |
 Anthony 'Ace' Thomas | Cast | Actor | Castillo |
Paul Locke | Cast | Reporter #1 | |
Dicky Eklund | Cast | Man on Street #2 | |
Michael Dell'Orto | Cast | WBU Commissioner | |
Sue Costello | Cast | Becky | |
Brian Nguyen | Cast | Brian | |
Rikki Kleiman | Cast | Court Clerk | |
 Don Dunphy | Cast | Actor | Fight Announcer |
Carlos L. Smith | Cast | Sugar Ray Leonard Bodyguard | |
A. Joseph Denucci | Cast | Man on Street #1 | |
Tino Kimly | Cast | Pran | |
Hugh Long | Cast | Fight Spectator #2 | |
Jack Greenhalge | Cast | Man on Street #5 | |
Roeun Chea | Cast | Chan | |
Jack Lally | Cast | Neary Trainer | |
Gerald Greenhalge | Cast | Uncle Jerry | |
Ray Greenhalge | Cast | Ray Ramalho | |
 Philip Dorn Hebert | Cast | Actor | Micky's Cutman |
Joe Lupino | Cast | Referee Mitch Halpern | |
David A. Ramalho Sr. | Cast | Trainer | |
Kerry Moore | Cast | Woman on Street #3 | |
Sean Eklund | Cast | Man in Diner | |
Art Ramalho | Cast | Art Ramalho | |
Ziad Akl | Cast | Inmate | |
Tommy Eklund | Cast | Running Kid #2 | |
Colin Hamell | Cast | John Hyland | |
Kevin Paige | Cast | Man on Street #6 | |
Eddie Lee Anderson | Cast | Referee Joe Cortez | |
Deborah Bolanger | Cast | Woman on Street #2 | |
Epifanio Melendez | Cast | Carlos Garcia | |
Raul Vera | Cast | Sanchez Trainer | |
José Antonio Rivera | Cast | Gilberto Brown aka Jose | |
Sean Patrick Doherty | Cast | Jimmy (Laurie's Husband) | |
George Michael Ward | Cast | Man on Street #3 | |
Matt Russell | Cast | Photo Guy On Street | |
Rita Mercier | Cast | Woman on Street #1 | |
| Person | Type | Job | Role(s) |
