The devil you know is better than the devil you don't.

Description: The youngest son of an alcoholic former boxer returns home, where he's trained by his father for competition in a mixed martial arts tournament - a path that puts the fighter on a collision course with his estranged, older brother.

Cast:
Brendan Conlon: Joel Edgerton
Tommy Conlon: Tom Hardy
Paddy Conlon: Nick Nolte
Tess Conlon: Jennifer Morrison
Frank Campana: Frank Grillo
Principal Zito: Kevin Dunn
Colt Boyd: Maximiliano Hernández
Bryan Callen: Bryan Callen
Sam Sheridan: Sam Sheridan
Fenroy (as Fernando Funan Chien): Fernando Chien
Mark Bradford: Jake McLaughlin
Pilar Fernandez: Vanessa Martinez
Stephon: Denzel Whitaker
Tito: Carlos Miranda
Warden Perez: Manuel Espinosa
Nash: Nick Lehane
KC (as Laura Kenley): Laura Chinn
Emily Conlon: Capri Thomas
Rosie Conlon: Lexi Cowan
Dan Taylor: Noah Emmerich
Dan Caldwell (as Dan 'Punkass' Caldwell): Dan Caldwell
Tim Katz (as Timothy 'Skyskrape' Katz): Tim Katz
J.J. Riley's Assistant: Julia Stockstad
Referee Josh Rosenthal: Josh Rosenthal
Koba: Kurt Angle
Pete 'Mad Dog' Grimes: Erik Apple
Orlando 'Midnight' Le: Anthony Johnson
Karl Kruller (as Nate Marquardt): Nathan Marquardt
Marcos Santos: Roan Carneiro
Francisco Barbosa: Daniel Stevens
Sun Chu (as Anthony Nanakornpanom): Panuvat Anthony Nanakornpanom
Diego Santana: Hans Marrero
Houston Greggs: Yves Edwards
Yosi: Amir Perets
Sparta Official: Anthony Tambakis
Tender Trap Promoter: Jimmy Cvetic
Mike 'The Mutilator' Moore: Jace Jeanes
Tender Trap Announcer: Jake Digman
Tender Trap Referee: Richard Fike
Midnight Corner Man (as Andre Mason): Andre' Mason
State Official: James Houk
Koba Entourage #1 (as Aaron R. Kleiber): Aaron Kleiber
Koba Entourage #2: Raymond Rowe
Koba Entourage #3: Lambert R. Strayer
Koba Entourage #4: Roman Vasylyshyn
Jonathan Matthew Anik: Jonathan Matthew Anik
Rashad Evans: Rashad Evans
Stephan Bonnar: Stephan Bonnar
Michelle Dawn Mooney: Michelle Dawn Mooney
A.V. Simers: Tim Bickel
Platoon Sergeant (as Jack Fischer): Jack Fisher
Marine MP #1: Jeff Hochendoner
Marine MP #2 (as Amrmon York): Armon York Williams
Marine #1 (as Adam Christian Stanley): Adam Stanley
Marine #2: James Dreussi
Inspector: Kevin P. Hanley
Zito's Wife: Tammy Townsend
Zito's Secretary: Etta Cox
Diner Waitress: Sandy Notaro
Concierge: Francesca Ortenzio
Manny: Jaime Sinue Aguirre
Desk Girl (as Kelsey V. Wynne): Kelly Vinn
Taxi Cab Driver (as Thomas McCue): Tom McCue
Gambler: Elyse Alberts
Hitman Fan: Russell Bailey
Campana Gym employee: Jason Baker
Atlantic City Gambler: Robert Bizik
Fight patron: Lloyd Booker
Gym Goer: Neil Booker
Ringside Audience: Jason Botsford
Front Row Spectator: Noah Brown
Colt's Gym Fighter: Chad Bruns
Ringside Spectator: Corie Campbell
Max Hall: Kevin Christy
Fighter / MMA Fan: Daniel Conley
Dragon: Tommy Dallace
Fight Spectator: Mark Falvo
Reporter: Joe Forgione
Extra: Helene Remiszewska
High Roller: Crystalann Jones
Mexican Prison Guard: Sam Harris
Ringside Fight Fan: Marki Henderson
MMA fan: Joseph Tornatore
Red Carpet Photographer: William Kania
Casino Gambler: William James Kelly
Bank Customer: Tiffany Kemp
Student: Nick Marcucci
Superintendent Yorn: Edward Luksich
Atlantic City VIP: Ed McKeever
Russian Commentator: Roman Mitichyan
Ringsider Reporter: Rick Montgomery Jr.
Event Photographer: Jeremy Moon
Drunk: Jeffrey Mowery
AA Meeting attendee: Phil Nardozzi
Student Extra: Joey Nolfi
J.J. Riley: Gavin O'Connor
Ringside Doctor: Dwayne Pintoff
Casino Guest: Vincent Riviezzo
Ring Girl: Brenna Roth
BMX rider: Chas Scherer
MMA Fan: Jordan Streussnig
Ringside Photographer: Lonnie Thomas
Bank Teller: Michelle Vezzani
Ringside Official: Paul Weaver
Ringside Fan: Laura Welsh
Ringside Judge: James Werley

Written by: Gavin O'Connor, Anthony Tambakis, Cliff Dorfman

Director: Gavin O'Connor

Release date: 09 Sep 2011

Box Office: $13,657,115