• 
  Alexander Esway

  regizor
• 
  John Monk Saunders

  regizor

• 
  Hugh Gray

  scenarist
• 
  John Monk Saunders

  scenarist

• 
  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

  Sir George Cayley
• 
  Alan Wheatley

  Borelli
• 
  Michael Rennie (I)

  Rol de o replică
• 
  Charles Frend

  Narator

• 
  Ben Webster

  Leonardo da Vinci
• 
  Derrick De Marney

  Rol de o replică
• 
  Carlo Ninchi

  Gabriele Adanti di Perugia
• 
  Andrea Checchi

  Zoroastro
• 
  Percy Marmont

  Wilbur Wright

• 
  Alexander Korda

  producător
• 
  Wilkie Cooper

  imagine
• 
  George Noble

  imagine
• 
  Peter Bezencenet

  montaj
• 
  Charles Frend

  montaj
• 
  Arthur Bliss

  coloană sonoră
• 
  Zoltan Korda

  Regizor
• 
  Alexander Shaw

  Regizor