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)

Alexander Esway

John Monk Saunders

Zoltan Korda

Alexander Shaw

Donald Taylor