- 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)
- Andrea Checchi - Zoroastro (uncredited)
- Bryan Coleman - (uncredited)
- Derrick De Marney - (uncredited)
- Amelia Earhart - Amelia Earhart (archive footage) (uncredited)
- Don Gemmell - (uncredited)
- Cameron Hall - Dr. John Jeffries (uncredited)
- Henry Hallatt - Jean-Pierre Blanchard (uncredited)
- Pearl Hay - (uncredited)
- Ronnie Hepworth - Boy (uncredited)
- Charles Hickman - Orville Wright (uncredited)
- Anthony Holles - Mechanic (uncredited)
- David Horne - Nero (uncredited)
- Amy Johnson - Amy Johnson (archive footage) (uncredited)
- Kenneth Kove - Gentleman at Reception (uncredited)
- Charles A. Lindbergh - Charles Lindbergh (archive footage) (uncredited)
- Peter Madden - American Airliner Pilot (uncredited)
- Percy Marmont - Wilbur Wright (uncredited)
- Carlo Ninchi - Gabriele Adanti di Perugia (uncredited)
- Hilary Pritchard - Cayley's Coachman (uncredited)
- Michael Rennie - Marquis d'Arlandes (uncredited)
- Roy Royston - Hubert Latham (uncredited)
- Margaretta Scott - Isobella d'Este (uncredited)
- Leonard Shepherd - Abbot Damian of Sterling (uncredited)
- Ben Webster - Leonardo da Vinci (uncredited)
-
Alexander Esway, Zoltan Korda, John Monk Saunders
- Antoine de Saint-Exupéry
-
Alexander Korda
- Arthur Bliss
Frederick Culley interpreta a Roger Bacon en la película.
Laurence Olivier hace el papel de Vincent Lunardi.
Franklin Dyall hace el papel de Jerome de Ascoli.
Henry Victor interpreta a Otto Lilienthal en la película.
Hay Petrie hace el papel de Tiberius Cavallo.
John Turnbull interpreta a Von Zeppelin en la película.
Charles Lefeaux interpreta a Louis Bleriot en la película.
Bryan Powley hace el papel de George Cayley.
Alan Wheatley hace el papel de Giovanni Alfonso Borelli.
John Abbott interpreta a Jean-François Pilâtre de Rozier en la película.
Charles Frend interpreta a Narrator (voice) en la película.
Edward Ashley interpreta a (uncredited) en la película.
Italo Balbo interpreta a Italo Balbo (archive footage) (uncredited) en la película.
Memo Benassi interpreta a Francesco Lama di Brescia (uncredited) en la película.
Andrea Checchi interpreta a Zoroastro (uncredited) en la película.
Bryan Coleman hace el papel de (uncredited).
Derrick De Marney hace el papel de (uncredited).
Amelia Earhart hace el papel de Amelia Earhart (archive footage) (uncredited).
Don Gemmell interpreta a (uncredited) en la película.
Cameron Hall hace el papel de Dr. John Jeffries (uncredited).
Henry Hallatt interpreta a Jean-Pierre Blanchard (uncredited) en la película.
Pearl Hay interpreta a (uncredited) en la película.
Ronnie Hepworth interpreta a Boy (uncredited) en la película.
Charles Hickman interpreta a Orville Wright (uncredited) en la película.
Anthony Holles interpreta a Mechanic (uncredited) en la película.
David Horne interpreta a Nero (uncredited) en la película.
Amy Johnson interpreta a Amy Johnson (archive footage) (uncredited) en la película.
Kenneth Kove interpreta a Gentleman at Reception (uncredited) en la película.
Charles A. Lindbergh interpreta a Charles Lindbergh (archive footage) (uncredited) en la película.
Peter Madden interpreta a American Airliner Pilot (uncredited) en la película.
Percy Marmont hace el papel de Wilbur Wright (uncredited).
Carlo Ninchi interpreta a Gabriele Adanti di Perugia (uncredited) en la película.
Hilary Pritchard interpreta a Cayley's Coachman (uncredited) en la película.
Michael Rennie interpreta a Marquis d'Arlandes (uncredited) en la película.
Roy Royston interpreta a Hubert Latham (uncredited) en la película.
Margaretta Scott interpreta a Isobella d'Este (uncredited) en la película.
Leonard Shepherd interpreta a Abbot Damian of Sterling (uncredited) en la película.
Ben Webster interpreta a Leonardo da Vinci (uncredited) en la película.
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