as Kip / Mary Kate (voice)
as Jackson Jekyll / Holt Hyde / Operetta (voice)
as Holt Hyde / Jackson Jekyll / Operetta (voice)
as Jackson Jekyll / Operetta (voice)
as Madame Ghostier / Jackson Jekyll / Holt Hyde / Operetta (voice)
as Madeline Hatter (voice) / Humphrey Dumpty (voice)
as Madeline Hatter (voice)
as Jackson Jekyll / Meowlody / Purrsephone / Sea-Mares (voice)
as Operetta / Gory Fangtel / Additional Voices (voice)
as Operetta / Amuncommon Ptolemy (voice)
as Operetta (voice)
as Spaceship / Spacebugs / Tad (voice)
