Rouletabille interrupts his vacation in Hungary to fight a gang of air pirates with his boss Sainclair and the daughter of Budapest's chief of Police.
Joseph Rouletabille
Sainclair
Sonia
Amie de Rosy
George K. George
Rosy Bathory
Hubner (as Duroy)
Commissaire Moreau (uncredited)
Bathory (uncredited)
Editor
Director
Scenario Writer
Novel
