Principal Dr. Cinnamon J. Scudworth (voice)

Joan of Arc (voice)

Abe Lincoln / Narrator (voice)

Gandhi (voice)

Cleopatra (voice)

JFK / Mr. Butlertron (voice)

Julius Caesar / Carl (voice)

Toots (voice)

Mr. Sheepman (voice)

The Shadowy Figure (voice) (uncredited)

Scangrade (voice)

Catherine the Great (voice)

Reporter (voice)

Marie Antoinette (voice)

Paul Revere (voice)

Abe’s Foster Dad (voice)

Marilyn Manson (voice) (uncredited)

Gandhi's Remaining Kidney (voice)

Mandy Moore (voice)

Ponce de León (voice)

Creepy Trucker (voice)