Mark Wahlberg

Character: Micky Ward

Christian Bale

Character: Dicky Eklund

Amy Adams

Character: Charlene Fleming

Melissa Leo

Character: Alice Ward

Mickey O'Keefe

Character: Mickey O'Keefe

Jack McGee

Character: George Ward

Melissa McMeekin

Character: "Little Alice" Eklund

Bianca Hunter

Character: Cathy "Pork" Eklund

Erica McDermott

Character: Cindy "Tar" Eklund

Jill Quigg

Character: Donna Eklund Jaynes

Dendrie Taylor

Character: Gail "Red Dog" Eklund

Kate B. O'Brien

Character: Phyllis "Beaver" Eklund

Jenna Lamia

Character: Sherri Ward

Frank Renzulli

Character: Sal Lanano

Paul Campbell

Character: Gary "Boo Boo" Giuffrida

Caitlin Dwyer

Character: Kasie Ward

Chanty Sok

Character: Karen

Ted Arcidi

Character: Lou Gold

Ross Bickell

Character: Mike Toma

Sean Malone

Character: Wolfie

José Antonio Rivera

Character: Gilberto Brown aka Jose

Richard Farrell

Character: HBO Cameraman #1

Matthew Muzio

Character: HBO Cameraman #2

Steven Barkhimer

Character: HBO Producer

Art Ramalho

Character: Art Ramalho

Sugar Ray Leonard

Character: Sugar Ray Leonard

Jackson Nicoll

Character: Little Dicky

Alison Folland

Character: Laurie Carroll

Sean Patrick Doherty

Character: Jimmy (Laurie's Husband)

Sue Costello

Character: Becky

Thomas Benton

Character: Businessman

Ray Greenhalge

Character: Ray Ramalho

Tino Kimly

Character: Pran

Epifanio Melendez

Character: Carlos Garcia

Jeremiah Kissel

Character: Bald Businessman

Sean Eklund

Character: Man in Diner

Roeun Chea

Character: Chan

Brian Nguyen

Character: Brian

Rikki Kleiman

Character: Court Clerk

Michael Dell'Orto

Character: WBU Commissioner

Paul Locke

Character: Reporter #1

Kim Carrell

Character: Reporter #2

Colin Hamell

Character: John Hyland

Dale Place

Character: Referee Micky Vann

Eddie Lee Anderson

Character: Referee Joe Cortez

Joe Lupino

Character: Referee Mitch Halpern

Bonnie Aarons

Character: Crackhead Bonnie

Walter Driscoll

Character: Court Officer

Matt Russell

Character: Photo Guy On Street

A. Joseph Denucci

Character: Man on Street #1

Dicky Eklund

Character: Man on Street #2

George Michael Ward

Character: Man on Street #3

Dicky Eklund Jr.

Character: Man on Street #4

Jack Greenhalge

Character: Man on Street #5

Kevin Paige

Character: Man on Street #6

David A. Ramalho Sr.

Character: Trainer

Ziad Akl

Character: Inmate

Simon Hamlin

Character: Movie Patron

Gerald Greenhalge

Character: Uncle Jerry

Matthew Russell

Character: Running Kid #1

Tommy Eklund

Character: Running Kid #2

Rita Mercier

Character: Woman on Street #1

Deborah Bolanger

Character: Woman on Street #2

Kerry Moore

Character: Woman on Street #3

Philip Dorn Hebert

Character: Micky's Cutman

Raul Vera

Character: Sanchez Trainer

Jack Lally

Character: Neary Trainer

Carlos L. Smith

Character: Sugar Ray Leonard Bodyguard

Lee Wesley

Character: Fight Spectator #1

Hugh Long

Character: Fight Spectator #2

Catherine Lynn Stone

Character: Fan

Eric Weinstein

Character: Micky's Friend

Bo Cleary

Character: Cop

Anthony Molinari

Character: Neary

Peter Cunningham

Character: Mike "Machine Gun" Mungin

Miguel Espino

Character: Alfonso Sanchez

Anthony "Ace" Thomas

Character: Castillo

Brian Christensen

Character: Drunk Guy

Jen Weissenberg

Character: Drunk Girl

Michael Buffer

Character: Fight Announcer

Larry Merchant

Character: Fight Announcer

Jim Lampley

Character: Fight Announcer

Emanuel Steward

Character: Fight Announcer

Roy Jones Jr.

Character: Fight Announcer

George Foreman

Character: Fight Announcer

Don Dunphy

Character: Fight Announcer

James Donnelly

Character: Donut Shop Patron (uncredited)

Al Conti

Character: Larry Merchant (uncredited)

Dannielle Rose

Character: Ringside Spectator (uncredited)