Charlie Kenton

Hugh Jackman

Max Kenton

Dakota Goyo

Bailey Tallet

Evangeline Lilly

Marvin Barnes

James Rebhorn

Ricky

Kevin Durand

Tak Mashido

Karl Yune

Finn

Anthony Mackie

Russian Robot Owner

Olga Fonda

Kingpin

John Gatins

Deborah

Hope Davis

Big Sister

Sophie Levy

Little Sister

Tess Levy

Charlie Levy

Bill Panner

Gregory Sims

Large Texan Man

Torey Adkins

Tom Carlson

San Leandro Gentleman #2

John Hawkinson

David Herbst

Starblaze Arena Reporter

Julian Gant

ESPN Boxing Commentator

Phil LaMarr

Virgin America Spectrum Ring Announcer

Ken Alter

ESPN Boxing Commentator

David Alan Basche

Virgin America Spectrum Ref

Leilani Barrett

Eric Gutman

Nick Yu

Twin Cities Controller

D.B. Dickerson

Bing Arena Announcer

Peter Carey

Bing Arena Ref

Dan Lemieux

Older Gentleman

Rich Goteri

Blacktop Controller

Tim Holmes

Ricky Wayne Robinson Jr.

Robot Promoter

Taris Tyler

Underground Promoter

Ricky Wayne

Atom Performance Capture

Kevin Dorman

Sergei Lemkova

John Manfredi

Cliff

Marco Ruggeri

Fight Fan (uncredited)

Mike Ancrile

Upscale Fight Fan (uncredited)

Leah Barkoff

Rodeo Cowboy (uncredited)

Joshua Ray Bell

Ricky's Henchman (uncredited)

Ben Hernandez Bray

Upscale Boxing Fan (uncredited)

Wayne E. Brown

Rodeo Cowboy (uncredited)

Justin Calkins

Kingpin's Henchman (uncredited)

Ron Causey

Panoramic Fight Fan (uncredited)

Jahnel Curfman

ESPN Commentator (uncredited)

Johnny Flynn

Rabid Fight Fan (uncredited)

Logan Fry

Vendor (uncredited)

Megan Grant

Crash Palace Fan (uncredited)

J.J. Green

Photographer (uncredited)

Shane Hagedorn

Zeus Robot Handler #1 (uncredited)

Kef Lee

Fight Fan (uncredited)

Megan Mockensturm

Vendor (uncredited)

Kirstie Munoz

Farra's Body Guard (uncredited)

Anton Narinskiy

Starblaze Security Guard (uncredited)

Chris Newman

Helicopter Pilot (uncredited)

Alan D. Purwin

Judge (uncredited)

Miguel Sandoval

Japanese Reporter #2 (uncredited)

Dwight Sora

Zoo Fight Fan (uncredited)

Jojuan Westmoreland

Rich Man (uncredited)

Gary T. Jones

Self (uncredited)

Rima Fakih