Meg Ryan - Jackie Kallen
Omar Epps - Luther Shaw
Charles S. Dutton - Felix Reynolds
Tony Shalhoub - Sam LaRocca
Timothy Daly - Gavin Reese (as Tim Daly)
Joseph Cortese - Irving Abel (as Joe Cortese)
Kerry Washington - Renee
Sean Bell - Ray Kallen
Dean McDermott - Pete Kallen
Skye McCole Bartusiak - Little Jackie
Juan Carlos Hernández - Pedro Hernandez (as Juan Hernandez)
Holt McCallany - Dorsett
Tory Kittles - Devon Green
Gene Mack - Kevin Keyes
Beau Starr - Corcoran
Jared Durand - Young Crisco
Diego Fuentes - Car Attendant
Angelo Tucci - Rex
Reg Dreger - Lonnie
Arturo Fresolone - Hernandez' Manager
James Jardine - Ring Announcer
Big Daddy Wayne - Stormy
Merwin Mondesir - Street Crony
Doug Lennox - Barrel Chested Man
Hayley Verlyn - Beauty with LaRocca
Moses Nyarko - Mouketendi
Aidan Devine - Crisco
Joel Harris - Mathias
Michael Rhoades - Mathias' Manager
Bruce Gooch - Pawn Shop Clerk
Arnold Pinnock - Heavyweight
Neven Pajkic - Heavyweight
Adrianne Keshock - Jenny
Dov Tiefenbach - Organic Clerk
Jackie Kallen - Female Reporter
Mike Kraft - Jacobs
John Christopher Terry - USA Today Reporter
Tamara Hickey - Megan the Reporter
Karen Robinson - Kimberly Insurance
Noah Danby - LaRocca Henchman
Rocky Zolnierczyk - Sands Fight Referee
Tracy Waterhouse - Receptionist
Michael Buffer - Ring Announcer
Neil Crone - HBO Commentator
Ray Marsh - Final Fight Referee
Jeff Ironi - Security Guard
Jean Daigle - Montage Promoter
Carlos Varela Jr. - Hernandez' Trainer
Jason Jones - Ticket Guy
Shawn Lawrence - Philadelphia Fight Official
Howard Green - Sands
Julian Scott - Ray Kallen's Sparring Partner
Remo DiCarlo - Buffalo Opponent
Everton McEwan - Luther's Sparring Partner
Eric Reynolds - Hopeful Fighter
Nick Alachiotis - Luther's Trainer
Syd Vanderpool - Luther's Tampa Opponent
Egerton Marcus - Hopeful Fighter
Suchart Yodkerepauprai - Rugged Boxer
Hector Perez - Hernandez' Sparring Partner
Rogue Johnston - Montage Opponent (as Rogue Johnson)
Paul Lawrie - Montage Opponent
Donovan Boucher - Montage Opponent
Martin Van Zanten - Montage Opponent
Edwin DeLeon - Montage Opponent
Chad Keens-Douglas - Montage Opponent
Michael Amos - Montage Opponent
Anthony Ferri - Montage Opponent
Joseph Richardson - Montage Opponent
Everol Carty - Montage Opponent
Derek Bujalski - Montage Opponent
Michael Dion - DJ at Strip Club
Adrian Teodorescu - Referee
Alwin Mascoll - Interviewed Boxer
Peter Wylie - Miami Referee
Dave Dunbar - Philadelphia Referee
rest of cast listed alphabetically:
Keith Carr - Extra (uncredited)
Jef Etters - Extra (uncredited)
Patrick Ezerzer - Boxing Trainer (uncredited)
John Kalbhenn - Referee (uncredited)
Danny Lentz - Police Detective (uncredited)
Marc Lupish - Extra (uncredited)
Timothy MacIntyre - Mobster (uncredited)
Paul Mota - Bar Patron (uncredited)
Tami Tyson - Beauty with LaRocca (uncredited)