Vince Vaughn

Peter La Fleur

Christine Taylor

Kate Veatch

Ben Stiller

White Goodman

Rip Torn

Patches O'Houlihan

Justin Long

Justin

Stephen Root

Gordon

Joel David Moore

Owen

Chris Williams

Dwight

Alan Tudyk

Steve the Pirate

Missi Pyle

Fran Stalinovskovichdaviddivichski

Jamal Duff

Me'Shell Jones

Gary Cole

Cotton McKnight

Jason Bateman

Pepper Brooks

Hank Azaria

Young Patches O'Houlihan

Al Kaplon

Tournament Referee

Lance Armstrong

Lance Armstrong

Chuck Norris

Chuck Norris

David Hasselhoff

German Coach

William Shatner

Dodgeball Chancellor

Julie Gonzalo

Amber

Trever O'Brien

Derek

Cayden Boyd

Timmy

Rusty Joiner

Blade

Kevin Porter

Lazer

Brandon Molale

Blazer

Suzy Nakamura

Gordon's Wife

Lori Beth Denberg

Martha Johnstone

Julia Ensign

Cheerleader #1

David Boyd

Cheerleader #2

Bowd J. Beal

Cheerleader #3

Curtis Armstrong

Mr. Ralph

Tate Chalk

Waldorf Referee

Jordyn Colemon

Angry Troop #417 Girl

Hayley Rosales

Crying Troop #417 Girl

Bix Barnaba

Homeless Man

Earl Schuman

Elderly S&M Enthusiast

Robert 'Duckie' Carpenter

S&M Man

Tony Daly

Ronnie

Amy Stiller

Keno Waitress

Jim Cody Williams

Weird Guy with Monster Truck

Douglas Grimes

Vegas Roughian

Scarlett Chorvat

Joyce

Matt Levin

Casino Worker #1

Rawson Marshall Thurber

Obnoxious Las Vegas Homophobe

Sik End

Friendly Bondage Master

Stephen B. Turner

Frustrated Cougar #1

Tim Soergel

Frustrated Cougar #2

Andy Chanley

Uber Film / Globo Gym Ad Narrator

Candice Michelle

Cheerleader (uncredited)

Patton Oswalt

Video Store Clerk on Phone (uncredited)