Narrator (voice) / Cauchon / Narrator (voice)
Pierre Curie (voice) / Duke of Milan / Monk (voice)
Anthony Thompson (voice) / Talbot (voice)
King Charles (voice) / Santos-Dumont (voice)
Young William Bradford (voice) / Minister of Agriculture (voice)
English Captain (voice) / Martin (voice)
Talavera (voice) / Von Steuben / Gates / Howe / Parker (voice)
Queen Isabella (voice) / Martha Washington (voice)
Giovanni / Domineco Columbus (voice) / Sumner (voice)
Wells (voice) / Charles Lee (voice)
John Carver (voice) / Louis Pasteur (voice)
Michelangelo (voice) / Orville Wright (voice)
Wilbur Wright / Parisian Husband / French Reporter (voice) / Verrochio / Duke of Florence / Peasant (voice)
Kate Keller (voice) / Joan of Arc (voice)
Wladyslaw Sklodowski (voice) / Herr Breuning / Aristocrat #2 (voice)
Le Beque (voice) / Hamilton (voice)
Cardinal Francesco Barberini (voice) / Arthur Keller (voice)
Thomas Edison (voice) / Simon (voice)
Nicolo Polo (voice) / Large Quaker (Voice)
Lipton / Reporter #1 (voice) / Hay / Reporter #1 / Seward / Newspaperman (voice)
Christopher Columbus (voice)
Pinzon (voice)
Bosco (voice)
Lope (voice)
