Justin Long

as Principal Van

as Ethan Hawkins

as Scott Stewart

as Gary

as Self

as Self

as Sheriff Stanton

as Stank

as Jack

as Henry Waters

as Bryce

as Nathan Bratt

as David

as Hap Jackson

as AJ

as Shaving Nurse

as Self

as Max

as Roboto (voice)

as Self

as Self - Contestant

as Self

as Self - Host

as Josh

as Self

as Vickers

as Lawyer

as Simon

as Frank

as Self

as Neil

as Bruce

as Tim

as Adam

as Keith

as Liam

as Spyro The Dragon (voice)

as Ross

as Yogi Bayer

as Self

as Self - Panelist

as Self - Panelist

as Kevin Murphy (voice)

as Alvin (voice)

as Alvin Seville (Voice)

as Self - Guest

as Self

as Dell

as Wallace Bryton

as Holt Mulligan

as Dan Gallo

as Drunken Wingman (uncredited)

as Self

as Self - Guest

as Patchi (voice)

as Alien #3 / Gorilla #3 / Hyena #3 (voice)

as Sam Newman

as Zack

as Adam

as Arno Penzias

as Steve Jobs

as Fake Robin (segment "Super Hero Speed Dating")

as Scott

as Marty

as Jesse

as Gary Garrison (voice)

as Alvin (voice)

as Checkout Boy

as Paul Genzlinger

as Nicholas Baker

as Garrett Scully

as Humphrey (voice)

as Alvin (voice)

as Todd

as Troop Leader Adam

as Chase Revere

as Lem (voice)

as Corp. James R. Garrett / Sgt. John H. Morris

as Paul

as Self

as Paul Saunders

as Re-Do Guy

as Self - Guest

as Clay Dalton

as Self

as Self

as Dean

as Alex

as Self

as Brandon St. Randy

as Spoonie

as Junior

as George Harrison (uncredited)

as Alvin (voice)

as Senn (voice)

as Matt Farrell

as Self

as Doctor

as Bartleby Gaines

as Christopher

as Zerk Wilder

as Mookie

as Zerk Wilder

as Dean

as Kevin

as Robin

as Chris Harken

as Self - Guest

as Justin

as Dwayne (voice)

as Hal Nestor

as Darius 'Darry' Jenner

as Self

as Self - Guest

as Henry

as Darius 'Darry' Jenner

as Donald

as Warren Cheswick

as Brandon

as Self

as Andrew Davis

as Cashier / Troy (voice)

as Adam / Kid #1 (voice)

as Student Teacher (voice)

as Self - Guest

as Self

as Self - Presenter

as Self

as Self - Guest

as Self - Cameo (uncredited)

as Austin Frazier

as Nate Tagliabu