Multiverse/Scooby-Doo and the Ghoul School (1988)

Cast

 * Mavis (Hotel Transylvania) as Sibella
 * Howleen Wolf (Monster High) as Winnie
 * Frankie Stein (Monster High) as Elsa Frankenteen
 * Panni (from Chowder) as Tania
 * Penny P. Plasm (from Mighty Magiswords) as Phantasma