Haley Joel Osment

as Billy Jenkins

as Erwin / Abe

as Self

as Roy

as Tom

as Anton (voice)

as Davey

as Self

as Wesley

as The Collector (voice)

as Raxlo (voice)

as Jeremy

as Kirby Kowalczyk

as Kansas City Scalper

as Casey Jones / Foot Soldier 3 (voice)

as Self

as Teddy / Teddy 3 (voice)

as Leonard "Buzzsaw" Burne (voice)

as Jim / Dean

as Garbage (voice)

as One

as Self - Contestant

as Kash D. Lanford

as Kash D. Langford

as O'Connor (voice)

as Gabe

as Reed

as Amos

as Self

as Alex

as Mesmer / Charles

as Liz's Co-Worker Jerry

as Topher

as Joe

as Robbie Schumacher

as Self

as Gaston LeBone

as Walt

as Ben

as Dr. Stu Camillo

as Warren

as Danny (voice)

as Sy

as Sy Phillips

as Dylan Zax

as Dave

as Adrien Arcand

as Damien

as Alistair St. Barnaby

as Travis McCredle

as Shank

as Ed Cole

as Teddy Craft

as Self - Contestant

as Himself

as Keenan Feldspar

as Winston Morehouse

as Erol Whyte

as Kid Blink

as Shelby Mellman

as Womple

as Chip Hardy

as Slow Joey

as Self

as Self

as Robert 'Gar' Gartland

as Kevin Jonas / Tim Murphy (voice)

as Clubber (voice)

as Self

as Walter

as Mowgli (voice)

as Beary Barrington (voice)

as Zephyr (voice)

as Romek

as David

as Edwurd Fudwupper (voice)

as Trevor McKinney

as Myka (voice)

as Self - Guest

as Self

as Cole Sear

as Peewee Clayton

as Kid in Bathroom (voice)

as Letter R in Crest Ad (voice)

as Leonard / Daycare Kid (voice)

as Coffee Shop Patron (voice)

as Tom Terrific (voice)

as Bobby

as Dylan Hydecker

as Andy Dorset

as Chip (voice)

as Eric Stall

as Davis Cable

as Davey Simpkins

as Albert

as Matt Foxworthy

as Danny

as Little Boy

as John Henry

as Nathan Cacaci

as Forrest Junior

as Harry Turner

as Kyle

as Young John 'Kitten' James / Davey James

as Lucas Simms

as Avery Brown

as Self