Wallace Shawn

Karakter: Mr. Mustela (voice)

Karakter: Rex (voice)

Karakter: Frank

Karakter: Mr. Woodley (voice)

Karakter: Kliegler

Karakter: Mr. Willis

Karakter: Rex (voice)

Karakter: Mr. Papadopoulos

Karakter: Clarence

Karakter: Rex (voice)

Karakter: Dr. Van Helsing

Karakter: Rex (voice)

Karakter: Calico (voice)

Karakter: Baron Von Westphalen

Karakter: Billy (voice)

Karakter: Principal Fetchit (voice)

Karakter: Gilbert Huph (voice)

Karakter: Ezra

Karakter: Herman

Karakter: Rex (voice) (uncredited)

Karakter: Gene

Karakter: Principal Strickler (voice)

Karakter: Rex (voice)

Karakter: Rex (voice)

Karakter: Canadian Prime Minister Clark MacDonald

Karakter: Principal Mazur (voice)

Karakter: Mr. Wendell Hall

Karakter: Mr. Little

Karakter: Dr. Fishbinder

Karakter: Vizzini

Karakter: Father Abruzzi

Karakter: Turtle

Karakter: Earl

Karakter: Otto Jaffe

Karakter: Eric Van Dongen