Richard Steven Horvitz

Billy

Alpha (Voice)

Snap (Voice)

Writer

Additional Voices (Voice)

Zim (Voice)

Additional Voices (Voice)

Gormal Macguffin (Voice)

Munchkin Suitor (Voice)

Self

Orange Haired Elf (Voice)

Grey Matter / Dispatcher (Voice)

Lowe's Salesman #3

Book Store Autoraph Hound

Bob Zaiderman

Billy / Harold / Pumpkin / Trick-Or-Treater Eater (Voice)

Grey Matter

Billy / Harold (Voice)

Sheldon Goldstein

Grey Matter / Stinkfly Prisoner (Voice)

Billy / Billy's Dad (Voice)

Billy / Billy's Dad (Voice)

Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy The Squirrel (Voice) (As Richard Horvitz)

Billy (Voice) (As Richard Horvitz)

Otis (Voice)

Billy (Voice)

Alpha 5 (Voice) (Uncredited)

Billy/Guy (Voice)

Scooper (Voice) (Uncredited)

Additional Character Voices (Voice)

Puppy In Barn (Voice)

Billy (Voice)

Danny

Cheddar (Voice)

Stonehenge (Voice)

Additional Voices (Voice)

Kinch

Alpha 5 (Voice)

Demon Team (Voice)

Alpha 5 (Voice)

Alpha 5 (Voice)

Corny

Alpha 5 (Voice)

Capricorn (As Richard Stults)

Alpha 5 (Voice)

Daggett Beaver

Young Energizer

Alan Eakian

Adr Casting De Voces

Adr Y Doblaje