Narrator (voice)

Alexander Graham Bell / Thomas Watson (voice)

Ludwig van Beethoven as an old man (voice)

Santos-Dumont (voice)

Minister of Agriculture (voice)

Talavera (voice)

Martha Washington (voice)

Sumner (voice)

Wells (voice)

John Carver (voice)

Orville Wright (voice)

Wilbur Wright / Parisian Husband / French Reporter (voice)

Kate Keller (voice)

Herr Breuning / Aristocrat #2 (voice)

Arthur Keller (voice)

English Captain (voice)

Large Quaker (Voice)

Lipton / Reporter #1 (voice)

Christopher Columbus (voice)

Pinzon (voice)

Bosco (voice)