| 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 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 |
Al Conti | Cast | Larry Merchant (uncredited) | |
 Alison Folland | Cast | Actress | Laurie Carroll |
 Amy Adams | Cast | Actress | Charlene Fleming |
 Bianca Hunter | Cast | Actress | Cathy "Pork" Eklund |
 Bonnie Aarons | Cast | Actress | Crackhead Bonnie |
Brian Christensen | Cast | Actor | Drunk Guy |
 Christian Bale | Cast | Actor | Dick "Dicky" Eklund |
 Dendrie Taylor | Cast | Actress | Gail 'Red Dog' Eckland Carney |
Emanuel Steward | Cast | Fight Announcer | |
Eric Weinstein | Cast | Actor | Micky's Friend |
 George Foreman | Cast | Actor | Fight Announcer |
 Henry Penzi | Cast | Actor | Road Crew Co Worker (uncredited) |
 Jack McGee | Cast | Actor | George Ward |
 Jenna Lamia | Cast | Actress | Sherri "The Baby" Ward |
 Kim Carrell | Cast | Actor | Reporter |
Kimko | Cast | Actor | Referee (uncredited) |
 Larry Merchant | Cast | Actor | Fight Announcer |
Mark Wahlberg | Cast | Actor | Micky Ward |
 Melissa Leo | Cast | Actress | Alice Eklund-Ward |
 Michael Buffer | Cast | Actor | Fight Announcer |
Peter Cunningham | Cast | Actor | Mike 'Machine Gun' Mungin |
 Ross Bickell | Cast | Mike Toma | |
 Roy Jones Jr. | Cast | Actor | Fight Announcer |
 Sugar Ray Leonard | Cast | Actor | Himself |
 Ted Arcidi | Cast | Actor | Lou Gold |
Walter Driscoll | Cast | Court Officer | |
Anthony Molinari | Cast | Actor | Neary |
 Dale Place | Cast | Actor | Referee Micky Vann |
 Dennis Jay Funny | Cast | Actor | King, Ring Girl Escort (uncredited) |
 Ger Duany | Cast | Extra (uncredited) | |
 Jeffrey Corazzini | Cast | Actor | Inmate (uncredited) |
Jeremiah Kissel | Cast | Actor | Bald Businessman |
Matthew Muzio | Cast | HBO Cameraman | |
 Charlie Alejandro | Cast | Actress | Movie Patron (uncredited) |
 Dan Marshall | Cast | Actor | Fight Spectator (uncredited) |
Hunter Wilichoski | Cast | Casino Kid (uncredited) | |
Jerrell Lee Wesley | Cast | Fight Spectator | |
Joe Siriani | Cast | Actor | Bodyguard (uncredited) |
Joseph Basile | Cast | Actor | Inmate Prisoner (uncredited) |
Sean Malone | Cast | Wolfie | |
 Susan Farese | Cast | Actress | British Press Reporter (uncredited) |
Alicia Love | Cast | Actress | Background (uncredited) |
 Anastasia Sanidopoulos Mousis | Cast | Fight Spectator (uncredited) | |
Briggon Snow | Cast | Fight Spectator (uncredited) | |
Brina | Cast | Ringside Fan (uncredited) | |
Caitlin Dwyer | Cast | Kasie Ward | |
 Chanty Sok | Cast | Actress | Karen |
Dennis Lauricella | Cast | Boxing Referee (uncredited) | |
 Erica McDermott | Cast | Actress | Cindy "Tar" Eklund |
 Jackson Nicoll | Cast | Actor | Little Dickie |
Jeff Martineau | Cast | Actor | Fight Spectator (uncredited) |
John Franchi | Cast | Actor | VIP (uncredited) |
 Melissa McMeekin | Cast | Actress | 'Little Alice' Eklund |
 Mickey O'Keefe | Cast | Himself | |
London Hall | Cast | Actress | Casino Gambler (uncredited) |
Jen Weissenberg | Cast | Actress | Drunk Girl |
 Joseph Oliveira | Cast | Actor | Spectator (uncredited) |
Alex East | Cast | Actress | Fight Spectator (uncredited) |
 Gino Cafarelli | Cast | Actor | Lowell Neighbor (uncredited) |
Thomas Benton | Cast | Businessman | |
Thomas Olson | Cast | Actor | Fight Photographer (uncredited) |
 Luisa Diaz | Cast | Ring card girl (uncredited) | |
 Frank Renzulli | Cast | Actor | Sal Lanano |
Conan Marchi | Cast | Inmate (uncredited) | |
 Jim Lampley | Cast | Actor | Fight Announcer |
Shawn Doherty | Cast | Road Crew Co Worker (uncredited) | |
Ron Shimshilashvili | Cast | Fight Fan (uncredited) | |
 Dicky Eklund Jr. | Cast | Actor | Man on Street #4 |
Paul Campbell | Cast | Actor | Gary 'Boo Boo' Giuffrida |
 Anthony 'Ace' Thomas | Cast | Actor | Castillo |
| Person | Type | Job | Role(s) |
