as Alpha (voice)

as Various Characters

as Snap (voice)

as Billy / Mogar / Rodney J. Squirrel (voice)

as Writer

as Moxxie (voice)

as Zim (voice)

as Additional Voices (voice)

as Pacifier / Jerry / Bear (voice)

as Stevey Murple (voice)

as Gormal MacGuffin (voice)

as Richie

as Kaos (voice)

as Lugosi (voice)

as Imp (voice)

as Lacky (Voice)

as Munchkin Suitor (voice)

as Mixadel

as Scrud, Splasho

as Self

as Orange Haired Elf (voice)

as Fryborg / Big Cheese / Salty Pup (voice)

as Grey Matter

as Lowe's Salesman #3

as Book Store Autoraph Hound

as Ninja Fish (voice)

as Salmon 2 (voice)

as Portswain (voice)

as Bob Zaiderman

as Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)

as Grey Matter

as Billy / Harold (voice)

as Sheldon Goldstein

as Grey Matter / Stinkfly Prisoner (voice)

as Billy / Billy's Dad (voice)

as Billy / Billy's Dad (voice)

as

as Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)

as Dudley / Guard (voice)

as

as Grey Matter (voice)

as Billy (voice) (as Richard Horvitz)

as Otis (voice)

as Billy (Voice)

as Ned Frischman (voice)

as Ned Frishman / Guard / Vicious Looking Warrior (voice)

as Billy/Guy (voice)

as Teddy

as

as Scooper (voice) (uncredited)

as

as Billy (voice)

as Additional Character Voices (voice)

as Puppy in Barn (voice)

as Zim (voice)

as Chuck (voice)

as Mitchey Mekelburg (voice)

as Jimmy Osgood (voice)

as Billy (voice)

as

as Cheddar (voice)

as Stonehenge (voice)

as Additional Voices (voice)

as Elevator Passenger

as

as Beaver #2 / Owl #1 (voice)

as

as Daggett (voice)

as Alpha 5 (voice)

as Smaller Chair (voice)

as Duck Head (voice)

as Alpha 5 (voice)

as Alpha 5 (voice)

as Corny

as Alpha 5 (voice)

as Capricorn (as Richard Stults)

as Alpha 5 (voice)

as Daggett Beaver

as Mark

as Alpha 5 (voice)

as Alpha 7 (voice)

as Mantamobile (voice)

as

as Young Energizer

as Howie Buchanan

as Alan Eakian