Here Comes the Boom

Kevin James

Scott Voss

Salma Hayek Pinault

Bella Flores

Henry Winkler

Marty Streb

Greg Germann

Duke Betcher

Joe Rogan

Joe Rogan

Gary Valentine

Eric Voss

Jake Zyrus

Malia De La Cruz

Bas Rutten

Niko

Nikki Tyler-Flynn

Mollie Streb

Reggie Lee

Mr. De La Cruz

Jason Miller

'Lucky' Patrick Murphy

Mark Muñoz

Romero

Melissa Peterman

Lauren Voss

Shelly Desai

Miguel

Bruce Buffer

Bruce Buffer

Krzysztof Soszynski

Ken 'The Executioner' Dietrich

Satoshi Ishii

Fairgrounds Fighter

Mark DellaGrotte

Mark DellaGrotte

Herb Dean

Herb Dean

Arianny Celeste

Penelope 'Pinche Punisher' Lopez

Mookie Barker

Vice Principal Elkins

Mike Goldberg

Mike Goldberg

Wanderlei Silva

Wanderlei Silva

Chael Sonnen

Arguing Fighter

Jacob 'Stitch' Duran

Jacob 'Stitch' Duran

Melchor Menor

Sityodtong Gym Fighter

Lenny Clarke

Loud Dietrich Fan

Jason Sandler

High School Student

J. Michael Trautmann

Derrick

Ivan Padilla

Martinez

Nicholas R. Grava

Jacob

Frank Coraci

Disoriented Gym Patron

Olivia Jordan

Ring Girl

Rich Manley

Male Receptionist (uncredited)

Jackie Flynn

Joe Duffy

Blaine Stevens

Mary Shannon Voss

Steven Ritchie

Brian

Earnestine Phillips

Muba

Michael Burton

Ref at Fairgrounds

Nicholas Turturro

Referee

Alex Ziwak

MMA Corner Man (uncredited)

Deborah Rosencrans

Citizenship Student