Nicole Sullivan Joan of Arc (voice) Mitra Jouhari Cleopatra (voice) Will Forte Abe Lincoln (voice) Christopher Miller JFK / Mr. Butlertron (voice) Vicci Martinez Frida Kahlo (voice) Ayo Edebiri Harriet Tubman (voice) Kelvin Yu Confucius (voice) Neil Casey Topher Bus (voice) Phil Lord Principal Dr. Cinnamon J. Scudworth (voice) Christa Miller Candide Sampson (voice)