Professor Foxtrot (voice)

Brad (voice)

Mindy (voice)

River (voice)

Jason (voice)

Penguins (voice)

Keven J. Caterpillar (voice)

Andrew Jackson (voice)

Ernest Crocker (voice)

Doctor Gamma (voice)

Fish (voice) / Louse (voice)

King Charles (voice)

George Psalmanazar / John Howard (voice)

Mary Toft (voice)

Female Antechinus / Female Bedbug (voice)

Lytle S. Adams (voice)

CIA Agent (voice)

Barbier-Dufai (voice)

Raoul (voice)

Princess Pauline (voice)

Countess Anastasia (voice)

Baroness Lubinska (voice)

Sloth (voice)

Dolphin (voice)

Gregor MacGregor (voice)

Salomon August Andree (voice)

Scottish Settler (voice)

Pope Stephen VI (voice)