| 角色 | 演员 |
| Charlie Kenton | 休·杰克曼/Hugh Jackman |
| Max | 达科塔·高尤/Dakota Goyo |
| Ricky | 凯文·杜兰/Kevin Durand |
| ESPN Boxing Commentator | 菲尔·拉马/Phil LaMarr |
| Russian robot owner | 奥嘉·方达/Olga Fonda |
| Tak Mashido | 卡尔·尹 |
| ESPN Commentator | 大卫·阿伦·伯施理/David Alan Basche |
| Panoramic Fight Fan | Jahnel Curfman |
| Russian Gentleman | Richard Goteri |
| Extra - Bar Date | Robert Herrick |
| Underground Promoter Motown Ax | Rick Robinson Jr. |
| Kingpin's Henchman | Ron Causey |
| Panoramic Ring Announcer | Peter Carey |
| Twin Cities Controller | D.B. Dickerson |
| Axelrod Handler | Michael Patrick Carmody |
| Lieutenant - Kingpin | Steven Scott |
| Western Bar Patron | Steven Hugh Nelson |
| Helicopter pilot | Alan D. Purwin |
| Texas Man | Torey Adkins |
| Metal Dome Robot Reporter | Julian Gant |
| Starblaze Security Guard | Chris Newman |
| Boxing fan | Larry C. Fenn |
| Zoo Guard and Crazed Zoo Fight Fan | Jamie Berk |
| Photographer | Shane Hagedorn |
| Bailey's Dad | Jeff Caponigro |
| Cliff | Marco Ruggeri |
| Fight Fan | Mike Ancrile；Daniel Everett Watson；Melissa K. Marra；Daryl M. Simpson |
| Vendor | Jordan Messing |
| Laughing Zoo Fight Fan | Gary L. Minix |
| Motor City Spectrum Ring Announcer | Ken Alter |
| WRB Promoter | Eric Gutman |
| Writer #1 | Chris Mannix |
| Fight fan | Joey Ghinelli |
| Robot Handler | Wendy Aaron |
| Fight Fan (uncredited) | Wendy Aaron；Kathleen Brzuszek；Brandon Byrd；Tom Feldpausch；Amy LaPlante；Rich Lozano；Bill Lumbert；Brad Leo Lyon；Rance Martin；Bryan Matti；DaJuan Rippy；Brian Anderson Smith；Alan Stefan；Brett VanDunk；Johnathon VanDusen |
| VIP Boxing Fan (uncredited) | Joshua Amir |
| Paparazzi (uncredited) | Apollo Bacala |
| Upscale Fight Fan (uncredited) | Leah Barkoff |
| Rodeo Cowboy (uncredited) | Joshua Ray Bell |
| Bar Patron (uncredited) | Clark Birchmeier |
| VIP Fight Fan (uncredited) | Don Boerst；Justin P. Calkins |
| Upscale Boxing Fan (uncredited) | Wayne E. Brown |
| Cowboy | Justin P. Calkins |
| Gentleman #1 (uncredited) | Tom Carlson |
| Photographer (uncredited) | Will Clarke；Nathan Kranzo；Dervis Lici；Clarence Olinger |
| Metro Fan - Big Rock | Sandy Coonan |
| Zoo (uncredited) | Sandy Coonan |
| Drunkard (uncredited) | John Dezsi |
| Axelrod Controller (uncredited) | P.J. Edwards |
| Ringside VIP - New York (uncredited) | Shannon Edwards |
| Ringside Security Guard (uncredited) | Raffi Elias |
| Girl at Fair (uncredited) | Sarah Forton |
| Rabid Fight Fan (uncredited) | Logan Fry |
| Texas Fairgoer (uncredited) | Ryan Genther |
| Extra (uncredited) | Jake Godzak；Robert Sayers |
| Fight Fan Extra (uncredited) | Ashley Goulson |
| Vendor (uncredited) | Megan Grant；Kirstie Munoz |
| Crash Palace Fan (uncredited) | J.J. Green |
| Upper Class Upscale Fight Fan (uncredited) | Joey Harlow；Nathaniel Loveland |
| Gentleman #2 (uncredited) | John Hawkinson |
| Blacktop (uncredited) | Tim Holmes |
| Bull Fight Attendee (uncredited) | Pauline Ann Johnson |
| (uncredited) | Josh Jones |
| Boxing Fan (uncredited) | Joe Kras；Samuel Meadows；Antoinette Nikprelaj；Jeff Rosenfeld |
| Panoramic Center Ref (uncredited) | Dan Lemieux |
| Sister #1 (uncredited) | Sophie Levy |
| Sister #2 (uncredited) | Tess Levy |
| Usher (uncredited) | Mary Magyari；Johnny Truong |
| Crash Palace Bouncer (uncredited) | Jon Manthei |
| Fair Goer (uncredited) | Melissa K. Marra |
| Lead Security Guard (uncredited) | Antonio L. Miller |
| Farrah's Body Guard (uncredited) | Wendel Millstead |
| Farra's Body Guard (uncredited) | Anton Narinskiy |
| Crash Palace Fight Fan (uncredited) | Chris O'Brien |
| Fight fan (uncredited) | Wendy Paquette |
| Zues' Lead Roadie (uncredited) | Matt Philliben |
| Boxing fan (uncredited) | Ralph A. Recchia |
| Title Fight Fan (uncredited) | Kara Joy Reed |
| Extra: Rodeo | Nicholas Ritz |
| Fair Goer, Fight Fan Panaramic, Fight Fan Metro, Fight Fan Zoo (uncredited) | Nicholas Ritz |
| Metal Dome Spectator (uncredited) | Shana Schultz |
| Robot Roadie (uncredited) | Daryl M. Simpson |
| Upper Class Fight Fan (uncredited) | Gary Lee Simpson |
| Robot Handler (uncredited) | Joseph Smith |
| Japanese Reporter #2 (uncredited) | Dwight Sora |
| Fairgoer (uncredited) | Paul J. Spear |
| Tak's Girl (uncredited) | Tiffany Stone |
| Cowboy at Rodeo | Morris Lee Sullivan |
| Robot Fight Fan (uncredited) | Morris Lee Sullivan |
| Salvage Yard Security Guard (uncredited) | John E.L. Tenney |
| Fair Goer #154 (uncredited) | Eric Tuchelske |
| Robot Fight Promoter (uncredited) | Taris Tyler |
| Fight Fan - Zoo (uncredited) | Jojuan Westmoreland |
| Air Force Captain (uncredited) | Paul W Wilson |
| Ricky's Girl (uncredited) | Amanda Wright |
