- 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 interpreta a Jerome de Ascoli en la película.
Henry Victor hace el papel de Otto Lilienthal.
Hay Petrie hace el papel de Tiberius Cavallo.
John Turnbull hace el papel de Von Zeppelin.
Charles Lefeaux hace el papel de Louis Bleriot.
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 hace el papel de Italo Balbo (archive footage) (uncredited).
Memo Benassi hace el papel de Francesco Lama di Brescia (uncredited).
Andrea Checchi hace el papel de Zoroastro (uncredited).
Bryan Coleman interpreta a (uncredited) en la película.
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 interpreta a Dr. John Jeffries (uncredited) en la película.
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 hace el papel de Nero (uncredited).
Amy Johnson hace el papel de Amy Johnson (archive footage) (uncredited).
Kenneth Kove interpreta a Gentleman at Reception (uncredited) en la película.
Charles A. Lindbergh hace el papel de Charles Lindbergh (archive footage) (uncredited).
Peter Madden interpreta a American Airliner Pilot (uncredited) en la película.
Percy Marmont interpreta a Wilbur Wright (uncredited) en la película.
Carlo Ninchi interpreta a Gabriele Adanti di Perugia (uncredited) en la película.
Hilary Pritchard hace el papel de Cayley's Coachman (uncredited).
Michael Rennie interpreta a Marquis d'Arlandes (uncredited) en la película.
Roy Royston hace el papel de Hubert Latham (uncredited).
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 hace el papel de Leonardo da Vinci (uncredited).
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