Charlie Adler

Ickis (voice)

Christine Cavanaugh

Oblina (voice)

DA

David Eccles

Krumm / Snorch (v...

Gregg Berger

The Gromble (voice)

Jim Belushi

Simon the Monster...

Kath Soucie

Blorp 2+4 / Woman...

Lacey Chabert

Girl (voice)

Michael Dorn

Borl / Chauffer (...

Bronson Pinchot

Deitrich Dunlap (...

Tim Curry

Zimbo (voice)

Shelley Duvall

Ocka (voice)

Beverly Archer

The Library Monst...