Three young monsters — Ickis, Oblina and Krumm — attends an institute for monsters under a city dump and learn to frighten humans.
as Ickis (voice)
as Oblina (voice)
as Krumm / Snorch (voice)
as The Gromble (voice)
as Simon the Monster Hunter (voice)
as Blorp 2+4 / Woman (voice)
as Girl (voice)
as Borl / Chauffer (voice)
as Deitrich Dunlap (voice)
as Zimbo (voice)
as Ocka (voice)
as The Library Monster (voice)
as Dr. Buzz Kutt (voice)
as Slickis (voice)
as Harryette (voice)
as Carl (voice)
