Phil Lord

Principal Dr. Cinnamon J. Scudworth (voice)

Nicole Sullivan

Joan of Arc (voice)

Will Forte

Abe Lincoln / Narrator (voice)

Michael McDonald

Gandhi (voice)

Christa Miller

Cleopatra (voice)

Christopher Miller

JFK / Mr. Butlertron (voice)

Neil Flynn

Julius Caesar / Carl (voice)

Donald Faison

Toots (voice)

Andy Dick

Mr. Sheepman (voice)

Bill Lawrence

The Shadowy Figure (voice) (uncredited)

Judah Miller

Scangrade (voice)

Murray Miller

Catherine the Great (voice)

Debra Wilson

Harriet Tubman / Eva Peron (voice)

Sarah Chalke

Marie Antoinette (voice)

Zach Braff

X-Stream Mike (voice)

Phil Lord

Christopher Miller

Bill Lawrence