Hugh Jackman as Charlie Kenton

Dakota Goyo as Max Kenton

Evangeline Lilly as Bailey Tallet

Kevin Durand as Ricky

Anthony Mackie as Finn

Hope Davis as Aunt Debra

James Rebhorn as Marvin

Karl Yune as Tak Mashido

Sophie Levy as Big Sister

Tess Levy as Little Sister

Olga Fonda as Farra Lemkova

John Gatins as Kingpin

Gregory Sims as Bill Panner

Torey Adkins as Large Texan Man

Phil LaMarr as ESPN Boxing Commentator

John Hawkinson as San Leandro Gentleman #2

David Alan Basche as ESPN Boxing Commentator

Julian Gant as Starblaze Arena Reporter

Ken Alter as Virgin America Spectrum Ring Announcer

Leilani Barrett as Virgin America Spectrum Ref

D.B. Dickerson as Twin Cities Controller

Peter Carey as Bing Arena Announcer

Dan Lemieux as Bing Arena Ref

Richard Goteri as Older Gentleman

Tim Holmes as Blacktop Controller

Ricky Wayne as Underground Promoter

Taris Tyler as Robot Promoter

Kevin Dorman as Atom Performance Capture

John Manfredi as Sergei Lemkova

Mike Ancrile as Fight Fan (uncredited)

Leah Barkoff as Upscale Fight Fan (uncredited)

Joshua Ray Bell as Rodeo Cowboy (uncredited)

Clark Birchmeier as Bar Patron (uncredited)

Ben Hernandez Bray as Ricky's Henchman (uncredited)

Wayne E. Brown as Upscale Boxing Fan (uncredited)

Justin Calkins as Rodeo Cowboy (uncredited)

Ron Causey as Kingpin's Henchman (uncredited)

Jahnel Curfman as Panoramic Fight Fan (uncredited)

Johnny Flynn as ESPN Commentator (uncredited)

Logan Fry as Rabid Fight Fan (uncredited)

Megan Grant as Vendor (uncredited)

J.J. Green as Crash Palace Fan (uncredited)

Shane Hagedorn as Photographer (uncredited)

Kef Lee as Zeus Robot Handler #1 (uncredited)

Brad Leo Lyon as Fight Fan (uncredited)

Mary Magyari as Usher (uncredited)

Megan Mockensturm as Fight Fan (uncredited)

Kirstie Munoz as Vendor (uncredited)

Anton Narinskiy as Farra's Body Guard (uncredited)

Chris Newman as Starblaze Security Guard (uncredited)

Wendy Paquette as Fight Fan (uncredited)

Alan D. Purwin as Helicopter Pilot (uncredited)

Miguel Sandoval as Judge (uncredited)

Dwight Sora as Japanese Reporter #2 (uncredited)

Jojuan Westmoreland as Zoo Fight Fan (uncredited)

Amanda Bright as Ricky's Girl (uncredited)

Gary T. Jones as Rich Man (uncredited)

Rima Fakih as Self (uncredited)