Justin Long

as Austin Frazier

as Nate Tagliabu

as Derek

as Principal Van

as Cookie

as Junior

as Self

as Ethan Hawkins

as Scott Stewart

as Gary

as Self

as Self(3 eps)

as Sheriff Stanton

as Stank

as Jack

as Henry Waters

as Bryce

as Nathan Bratt(10 eps)

as David

as Hap Jackson

as Shaving Nurse

as AJ

as Self(1 ep)

as Max

as Roboto (voice)(3 eps)

as Self

as Self - Contestant(1 ep)

as Self

as Self - Host(8 eps)

as Josh

as Self

as Vickers(4 eps)

as Lawyer

as Simon(1 ep)

as Frank

as Self

as Neil(2 eps)

as Bruce(1 ep)

as Tim

as Adam

as Keith

as Liam

as Spyro The Dragon (voice)(38 eps)

as Ross

as Yogi Bayer

as Self(1 ep)

as Self - Panelist(2 eps)

as Self - Panelist(4 eps)

as Kevin Murphy (voice)(44 eps)

as Kevin Murphy(1 ep)

as Alvin (voice)

as Alvin Seville (Voice)(207 eps)

as Self - Guest(1 ep)

as Self

as Dell

as Wallace Bryton

as Holt Mulligan

as Dan Gallo

as Drunken Wingman (uncredited)

as Self(1 ep)

as Self - Guest(1 ep)

as Patchi (voice)

as Alien #3 / Gorilla #3 / Hyena #3 (voice)(1 ep)

as Sam Newman

as Zack(1 ep)

as Adam(3 eps)

as Arno Penzias(1 ep)

as Steve Jobs

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

as Scott

as Marty

as Jesse

as Gary Garrison (voice)(13 eps)

as Alvin (voice)

as Checkout Boy

as Paul Genzlinger(5 eps)

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(1 ep)

as Paul Saunders

as Re-Do Guy

as Self - Guest(3 eps)

as Clay Dalton

as Self

as Self(1 ep)

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(1 ep)

as Justin

as Dwayne (voice)

as Hal Nestor

as Darry Jenner

as Self(1 ep)

as Self - Guest(2 eps)

as Henry

as Darry

as Donald

as Warren Cheswick(83 eps)

as Brandon

as Self(1 ep)

as Andrew Davis(1 ep)

as Cashier / Troy (voice)(1 ep)

as Adam / Kid #1 (voice)(1 ep)

as Student Teacher (voice)(1 ep)

as Self - Guest(3 eps)

as Self(1 ep)

as Self - Presenter(1 ep)

as Self(3 eps)

as Self - Guest(1 ep)

as Self - Cameo (uncredited)

as Matthew McConaughey (uncredited)(1 ep)