Russell Crowe character Jim Braddock
Renée Zellweger character Mae Braddock
Paul Giamatti character Joe Gould
Craig Bierko character Max Baer
Paddy Considine character Mike Wilson
Bruce McGill character Jimmy Johnston
David Huband character Ford Bond
Connor Price character Jay Braddock
Ariel Waller character Rosemarie Braddock
Patrick Louis character Howard Braddock
Rosemarie DeWitt character Sara Wilson
Linda Kash character Lucille Gould
Nicholas Campbell character Sporty Lewis
Gene Pyrz character Jake
Chuck Shamata character Father Rorick
Ron Canada character Joe Jeanette
Matthew G. Taylor character Primo Carnera
Rance Howard character Announcer Al Fazin
James Ritz character Official - Griffin / Baer Fight
Fulvio Cecere character Referee McAvoy
Clint Howard character Referee
Ken James character Ancil Hoffman
Rufus Crawford character Lewis Coach
Wayne Gordon character Braddock Cornerman
Nick Alachiotis character Baer Cornerman / Undercard Boxer - Feldman
Stuart Clark character Frankie Campbell
Eric Fink character Announcer - Lasky
Sergio Di Zio character Young Reporter
Gavin Grazer character Reporter
Boyd Banks character Reporter
Daniel Kash character Reporter
Judah Katz character Reporter
Angelo Tsarouchas character Reporter
Robert Smith character Reporter
Aaron Abrams character 1928 Fan
Duff MacDonald character 1935 Fan
Christopher Crumb character 1935 Fan
Gerry Quigley character Quincy
Peter MacNeill character Electric Man
Darrin Brown character Promoter
James Kirchner character Dock Worker
Nola Augustson character Relief Office Woman
Gino Marrocco character Waiter
Alec Stockwell character Church Man
Chick Roberts character Church Old Man
Isabella Fink character Church Girl
Beau Starr character Sam
Philip Craig character Radio Commentator
Roman Podhora character Hooverville Cop
R.D. Reid character Hooverville Cop
Michael Dyson character Hooverville Man
Sam Malkin character Gibson
Tony Munch character Sam Penny
Conrad Bergschneider character Limo Driver
Richard Binsley character Announcer - Griffith
Ramona Pringle character Flapper Girl
Alon Nashman character Deserting Father
Dominic Cuzzocrea character Junket
Neil Foster character Security Guard
Brian Jagersky character Cop
Tim Eddis character Fight Promoter
Krysta Carter character Fluzy (uncredited)
Rick Cordeiro character Ringside Fan (uncredited)
Riva Di Paola character 1935 Fan (uncredited)
Andrew Priestman character Ring Photographer (uncredited)
Michael Stevens character Hooverville Man (uncredited)
Egidio Tari character Cop In Ring (uncredited)