Frederick Culley
Role: Roger Bacon
Laurence Olivier
Role: Vincent Lunardi
Franklin Dyall
Role: Jerome de Ascoli
Henry Victor
Role: Otto Lilienthal
Hay Petrie
Role: Tiberius Cavallo
John Turnbull
Role: Von Zeppelin
Charles Lefeaux
Role: Louis Bleriot
Bryan Powley
Role: George Cayley
Alan Wheatley
Role: Giovanni Alfonso Borelli
John Abbott
Role: Jean-François Pilâtre de Rozier
Charles Frend
Role: Narrator (voice)
Edward Ashley
Role: (uncredited)
Italo Balbo
Role: Italo Balbo (archive footage) (uncredited)
Memo Benassi
Role: Francesco Lama di Brescia (uncredited)
Denville Bond
Role: Oliver of Malmesbury (uncredited)
Tom Campbell Black
Role: Tom Black (archive footage) (uncredited)
Charles Carrett
Role: Latham's Manager (uncredited)
Andrea Checchi
Role: Zoroastro (uncredited)
Arthur Clouston
Role: Arthur Clouston (archive footage) (uncredited)
Paul Codos
Role: Paul Codos (archive footage) (uncredited)
Bryan Coleman
Role: (uncredited)
Derrick De Marney
Role: (uncredited)
Amelia Earhart
Role: Amelia Earhart (archive footage) (uncredited)
Don Gemmell
Role: (uncredited)
Cameron Hall
Role: Dr. John Jeffries (uncredited)
Henry Hallatt
Role: Jean-Pierre Blanchard (uncredited)
Pearl Hay
Role: (uncredited)
Ronnie Hepworth
Role: Boy (uncredited)
Charles Hickman
Role: Orville Wright (uncredited)
Bert Hinkler
Role: Bert Hinkler (archive footage) (uncredited)
Anthony Holles
Role: Mechanic (uncredited)
David Horne
Role: Nero (uncredited)
Amy Johnson
Role: Amy Johnson (archive footage) (uncredited)
Charles Kingsford Smith
Role: Charles Kingsford Smith (archive footage) (uncredited)
Betty Kirby-Green
Role: Betty Kirby-Green (archive footage) (uncredited)
Kenneth Kove
Role: Gentleman at Reception (uncredited)
Charles A. Lindbergh
Role: Charles Lindbergh (archive footage) (uncredited)
Peter Madden
Role: American Airliner Pilot (uncredited)
Percy Marmont
Role: Wilbur Wright (uncredited)
David Nicol
Role: Alfred Leblanc (uncredited)
Carlo Ninchi
Role: Gabriele Adanti di Perugia (uncredited)
Hilary Pritchard
Role: Cayley's Coachman (uncredited)
Michael Rennie
Role: Marquis d'Arlandes (uncredited)
Maurice Rossi
Role: Maurice Rossi (archive footage) (uncredited)
Roy Royston
Role: Hubert Latham (uncredited)
C.W.A. Scott
Role: C.W.A. Scott (archive footage) (uncredited)
Margaretta Scott
Role: Isobella d'Este (uncredited)
Leonard Shepherd
Role: Abbot Damian of Sterling (uncredited)
Dick Vernon
Role: Simon the Magician (uncredited)
Ben Webster
Role: Leonardo da Vinci (uncredited)