Jason James Richter

Bastian Bux

Melody Kay

Nicole

Jack Black

Slip

Ryan Bollman

Dog

Freddie Jones

Mr. Coreander / Old Man of Wandering Mountain

Julie Cox

The Childlike Empress

William Hootkins

Bark Troll / Falkor (voice)

Tony Robinson

Engywook

Thomas Petruo

Large Head

Moya Brady

Urgl

Carole Finn

Mookie

Tracey Ellis

Jane Bux