Calificación
Reparto

Frederick Culley
Roger Bacon

Laurence Olivier
Vincent Lunardi

Franklin Dyall
Jerome de Ascoli

Henry Victor
Otto Lilienthal

Hay Petrie
Tiberius Cavallo

John Turnbull
Von Zeppelin

Charles Lefeaux
Louis Bleriot

Bryan Powley
George Cayley

Alan Wheatley
Giovanni Alfonso Borelli

John Abbott
Jean-François Pilâtre de Rozier

Charles Frend
Narrator (voice)

Edward Ashley
(uncredited)

Italo Balbo
Italo Balbo (archive footage) (uncredited)

Memo Benassi
Francesco Lama di Brescia (uncredited)

Denville Bond
Oliver of Malmesbury (uncredited)

Tom Campbell Black
Tom Black (archive footage) (uncredited)