Jack Black

as Steve

as Professor Sheldon 'Shelly' Oberon

as Bowser (voice)

as Doug McCallister

as Self

as Vocals / Guitar / Sax-a-boom

as Self

as self

as Self

as Steve

as Satan

as Self

as Claptrap (voice)

as Po (voice)

as Self

as Po (voice)

as Self - Actor

as Self

as Self

as JB

as Bowser (voice)

as Joseph Stalin

as (Special Appearance)

as Self

as Self

as Wolfman Jack

as Po (voice)

as Grown Up Stan (voice)

as Self (archive footage)

as Brad Gunter (voice)

as Man

as Self

as Self - Contestant

as Westley

as Self

as Self - Game Master

as Self

as Self

as Self

as Self

as Professor Sheldon 'Shelly' Oberon

as Captain Bombardier

as Self - Guest

as Sheriff

as Self

as R.L. Stine (uncredited)

as JB

as Jonathan Barnavelt

as Po (Voice)

as Self

as Self

as Dexter

as Self

as Self - Special Guest

as Professor Sheldon 'Shelly' Oberon

as Self

as Self

as Self - Reader: Declaration of Independence

as Self - Judge

as Big Tommy

as Jan Lewan

as Self

as Ludwig van Beethoven

as Self

as Self

as Po (voice)

as Po (voice)

as Self

as Self

as Jamison Friend

as R.L. Stine / Slappy (voice) / Invisible Boy (voice)

as Dan Ringley

as Alex Talbot

as Dan Landsman

as Self

as Self

as Self

as Self - Actor

as YouPorn Owner (uncredited)

as Self (archive footage) (uncredited)

as Self

as Self

as Self

as Self - Guest

as Self

as Self - Guest

as Self

as Lithdor (voice)

as Dethklok's Original Manager / Fat Fan (voice)

as Po (Voice)

as William Mulholland

as Vincenzo Peruggia

as Elvis Presley

as Self - Presenter

as Self

as Po (voice)

as Self

as Self

as JB

as Bernie Tiede

as Self

as Self

as Po (voice)

as Jack Black (uncredited)

as Brad Harris

as Self

as Self

as Po (voice)

as MCA (B-Boys 2)

as Pritchard

as Lemuel Gulliver

as Self

as Self (archive footage)

as Po (voice)

as Self

as Self

as Self

as Buddy

as Self

as Self - Guest

as Zed

as Self

as Self

as Jesus Christ

as Po (voice)

as Self

as Self

as Jeff Portnoy

as Jeff Portnoy

as Self

as Self

as Multiple Roles/Jerry

as Po (voice)

as The Mayor

as Self

as Jerry

as Paul McCartney (uncredited)

as Malcolm

as Aspartamay

as Self / Cop / Story Wizard

as Self

as Self

as Miles

as JB

as Self

as Self

as JB

as Dan Harmon

as Nacho

as Self - Interviewee

as Self

as JB

as George Washington

as Self

as Carl Denham

as Self

as Self

as Self - Presenter

as Self

as Sam

as Lenny (voice)

as Self

as Self

as Trapper JB (voice)

as Self

as Lenny (voice)

as Motorcyclist

as Nick Vanderpark

as The Elegant Hunter

as Bruce Philapousis

as Self - Host

as Mental Patient (uncredited)

as Self

as Self

as Dewey Finn

as Self

as Self

as Computerman

as Computerman

as Self

as Self

as Self - Emmys Segment

as Self - Musical Guest

as Self - Guest

as Lewis (voice)

as Self

as Pusher / Larry Hardcore (voice)

as JB

as Self

as Self

as Self

as JB

as Zeke (voice)

as Lead Chimney Sweep

as Lance Brumder

as Self

as Self

as Self

as Self

as Hal Larson

as JB

as J.D

as J.D. McNugent

as Georgie

as Barry Judd

as Sid

as Self - Presenter

as Fisherman

as Jack Austin

as Jack Austin

as Fiedler

as Titus Telesco (uncredited)

as Dr. Isaac Hershberg

as Devlin

as Jerry

as Jack 'JB' Black

as Ian Lamont

as Self - Guest

as Billy Glenn Norris

as self

as Broadcast Technician

as Self

as Rick

as Steve

as Tenacious D

as Craig Poncelet

as Jeepers Creepers

as Expert

as Gay Guy / Moviegoer

as Farmer / Satan / God

as Randy

as Pilot

as Man

as DJ at Party

as Slip

as Marty Prago

as Monte

as Tommy

as Private

as Doug

as Wasteland Scrap

as Augie

as Self - Guest

as Bart 'Zero' Liquori

as Car Thief

as Ray

as Cab Driver

as Curtis Williams

as Roger Davis

as Self

as Self

as Self - Guest

as Teenage Boy

as Kevin Wilkins

as Milo (voice)

as Skinhead

as Self

as Host

as Self - Honoree

as Rick

as Nick

as Self - Host

as Chuck

as Self - Host

as Self - Musical Guest

as Self - Tenacious D

as Self - Presenter

as Self

as Self

as Self

as Po (voice)

as Bowser (voice)