Scott Voss

Kevin James

Bella Flores

Salma Hayek Pinault

Marty Streb

Henry Winkler

Niko

Bas Rutten

Principal Betcher

Greg Germann

Mr. De La Cruz

Reggie Lee

Joe Rogan

Joe Rogan

Eric Voss

Gary Valentine

Malia De La Cruz

Jake Zyrus

Mollie Streb

Nikki Tyler-Flynn

Mark DellaGrotte

Mark DellaGrotte

Assistant Principal Elkins

Mookie Barker

'Lucky' Patrick Murphy

Jason Miller

Joe Duffy

Jackie Flynn

Romero

Mark Muñoz

Lauren Voss

Melissa Peterman

Miguel

Shelly Desai

Bruce Buffer

Bruce Buffer

Peter Voss

Thomas Gallagher

Peter Voss

Thomas C. Gallagher

Mary Shannon Voss

Blaine Stevens

Ken 'The Executioner' Dietrich

Krzysztof Soszynski

Fighter at Fairgrounds

Satoshi Ishii

Derrick

Jonathan Michael Trautmann

Martinez

Germaine De Leon*

Martinez

Germaine DeLeon

Brian

Steven Ritchie

Herb Dean

Herb Dean

Penelope 'Pinche Punisher' Lopez

Arianny Celeste

Muba

Earnestine Phillips

French Man

Richard Arum

Mike Goldberg

Mike Goldberg

Nard

Nils Veenstra

Wanderlei Silva

Wanderlei Silva

Koen

Phillippe Stella Jan Cornelis

Arguing Fighter

Chael Sonnen

Bearded Board Member

John C. Blenn

Jacob 'Stitch' Duran

Jacob 'Stitch' Duran

Sityodtong Gym Fighter

Melchor Menor

Student in Stairwell

Gabriel Ricker

Student Bassist

Evan Reuben

Loud Dietrich Fan

Lenny Clarke

High School Student

Jason Sandler

Jacob

Nicholas R. Grava

Disoriented Gym Patron

Frank Coraci

Himself

Jacob "Stitch" Duran

Ring Girl

Olivia Jordan

Dietrich's Cornerman

Ryan Parsons

Male Receptionist (uncredited)

Rich Manley

Ref at College Gymnasium

Jeff Sussman

Tattooed Man at Factory

Scott Voss

Fighter at Factory

James Robinson

Ref at Fairgrounds

Michael Burton

Ref Factory

Juston McKinney

Announcer at Factory

Richie Minervini

Referee

Nicholas Turturro

MMA Corner Man (uncredited)

Alex Ziwak

Fighter at Pier

Rafael Cordeiro

Citizenship Student

Deborah Rosencrans

Announcer at Pier

Craig Minervini

Ref at Lombardo's

George Klein

Fighter at Horse Arena

Romulo Barral

Ref at Horse Arena

Gino Falsetto

Health Club Receptionist

Natalie Boss

Yoga Student

Daniel Guire

Man With Guitar

Joshua Anderson

Citizenship Official

Odis Spencer

Sityodtong Gym Fighter

Danny Perez

Sityodtong Gym Fighter

Neil LeGallo

Herself

Marie DellaGrotte

Rupert Gregson-Williams

Todd Garner

Allan Loeb

Rock Reuben

Marty P. Ewing

Jack Giarraputo

Adam Sandler