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)
?
Yoshinori Yamamoto
Mr. Futon San
Philipp Moog
Monty Spinnerratz