Josef Ostendorf

Lou Dollart

Beverly D'Angelo

Mrs. Dollart

Jerry Stiller

Prof. Plumpingham

Lauren Hutton

Galeristin Jellybelly

Steffen Wink

Nick McRafferty

Donald Arthur

Jean-Paul Canalligator

Dee Bradley Baker

Monty Mad-Rat Jr. (voice)

Lynsey Bartilson

Isabella Noble-Rat (voice)