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)
Michael A. Rizza
Casino Patron (uncredited)
Michael A. Tessiero
Casino Patron (uncredited)