Kevin James as Scott Voss

Salma Hayek Pinault as Bella Flores

Henry Winkler as Marty Streb

Greg Germann as Duke Betcher

Joe Rogan as Joe Rogan

Gary Valentine as Eric Voss

Jake Zyrus as Malia De La Cruz

Bas Rutten as Niko

Nikki Tyler-Flynn as Mollie Streb

Reggie Lee as Mr. De La Cruz

Jason Miller as 'Lucky' Patrick Murphy

Mark Muñoz as Romero

Melissa Peterman as Lauren Voss

Shelly Desai as Miguel

Bruce Buffer as Bruce Buffer

Krzysztof Soszynski as Ken 'The Executioner' Dietrich

Satoshi Ishii as Fairgrounds Fighter

Mark DellaGrotte as Mark DellaGrotte

Herb Dean as Herb Dean

Arianny Celeste as Penelope 'Pinche Punisher' Lopez

Mookie Barker as Vice Principal Elkins

Mike Goldberg as Mike Goldberg

Wanderlei Silva as Wanderlei Silva

Chael Sonnen as Arguing Fighter

Jacob 'Stitch' Duran as Jacob 'Stitch' Duran

Melchor Menor as Sityodtong Gym Fighter

Lenny Clarke as Loud Dietrich Fan

Jason Sandler as High School Student

J. Michael Trautmann as Derrick

Ivan Padilla as Martinez

Nicholas R. Grava as Jacob

Frank Coraci as Disoriented Gym Patron

Olivia Jordan as Ring Girl

Rich Manley as Male Receptionist (uncredited)

Jackie Flynn as Joe Duffy

Blaine Stevens as Mary Shannon Voss

Steven Ritchie as Brian

Earnestine Phillips as Muba

Michael Burton as Ref at Fairgrounds

Nicholas Turturro as Referee

Ronald Boone as Fight Promoter (uncredited)

Alex Ziwak as MMA Corner Man (uncredited)

Deborah Rosencrans as Citizenship Student