Marcel Frontenac - mechanic
Nanette Frontenac - daughter
Frantík Projsa - mechanic
Václav Klement - fabricant
Count Alexandr Kolovrat
Hotel owner
Václav Vondrich - racer
Jean-Pierre Demeester - racer
Mackie Duff - english mechanic (as O.F. Korte)
Albert de Dion
French journalist and promoter
Innkeeper in Gaillon
Magistrate of Gaillon
Letuska
Air Mechanic / Assistant of Camera
Mechanic Bouton
Mechanic Kadousek
Gottfried Mayer - racer
Pierre Charon - mechanic
Cinematographer
Bride
Michel Constantini
Railman / Photographer
Louis Goddard
Magistrate's wife
English mechanic
Mechanic / Railman
Mechanic
Racer Toman
Italian car mechanic
Wedding guest with trumpet
Václav Laurin - fabricant
Narrator (voice)