Casper / Casper's Shadow (voice)
Devon Werkheiser
Jimmy (voice)
Brett DelBuono
Mickey (voice)
Candi Milo
Monaco (voice)
Nika Futterman
Ra (voice)
Kendre Berry
Banana Lady / History Teacher / Additional Voices (voice)
Debi Derryberry
Scare Center Host 1 / Wolfie / Narrator / Werewolf / Additional Voices (voice)
Pat Fraley
Punk Kid / Scare Center Host 2 / Pumpkinhead / Brainiac / Pool Guy / Hunchback / Additional Voices (voice)
Scott Menville
Pirate / Thurdigree Burns (voice)
Maurice LaMarche
Parrot (voice)
Kevin McDonald
Fish Boy / Drip / Additional Voices (voice)
Terri Douglas
P.A. Voice / Additional Voices (voice)
John Kassir
Alder (voice)
Jim Belushi
Aunt Spitzy (voice)
Phyllis Diller
Gargoyle / Flyboy / Skinny Ghost / Coach / Additional Voices (voice)
Jason Harris
Murray (voice)
Daryl Dragon
Belle (voice)
Toni Tennille
Additional Voices (voice)
Danny Cooksey
Fred Tatasciore
Dash (voice)
Bob Saget
Stinkie / Frankengymteacher (voice)
John DiMaggio
Fatso / Figurehead (voice)
Billy West
Stretch (voice)
Dan Castellaneta
Kibosh (voice)
Kevin Michael Richardson
Thatch (voice)
Matthew Underwood
Mantha (voice)
Christy Carlson Romano
Characters
Joseph Oriolo
Producer
Evan Baily
Story
Kirk DeMicco
Ralph Guggenheim
Executive Producer
Eric Ellenbogen
Associate Producer
Nickole Kerner-Bobley
Line Producer
Milind D. Shinde
Sandra Walters
Music
Magnus Fiennes
Editor
Daryl Davies
Sound
Lou Esposito
Art Direction
Tim Pyman
Bob Mittenthal
Casting
Mary Hidalgo
Seymour Reit
Director
Mark Gravas
Screenplay
Andrew Nicholls
Darrell Vickers