Scooby, Shaggy and Scrappy are on their way to a Miss Grimwood's Finishing School for Girls, where they've been hired as gym teachers. Once there, however, they find that not only is it actually an all-girl school of famous monsters' daughters but there's a villainess out to enslave the girls.
as Shaggy Rogers / Mirror Monster (voice)
as Scooby-Doo / Scrappy-Doo (voice)
as Ms. Grimwood (voice)
as Sibella Dracula (voice)
as Tanis the Mummy (voice)
as Elsa Frankensteen (voice)
as Winnie Werewolf (voice)
as Phantasma (voice)
as Matches / Papa Werewolf / Well Dweller (voice)
as The Grim Creeper / Mummy Daddy (voice)
as Daddy Dracula / Frankenstein Senior (voice)
as Phantom Father (voice)
as Revolta (voice)
as Colonel Calloway (voice)
as Cadet Tug Roper (voice)
as Cadet Miguel (voice)
as Cadet Jamaal (voice)
as Cadet Baxter (voice)
as Cadet Grunt (voice)
as Fan Monster (uncredited voice)
as Doorbell Monster (uncredited voice)