Murderous foreign agents are after a scientist who has invented an atomic engine that could change the future of rocketry.
Nathalie Princesse
Jacques Fabre
Pivoine
Doctor Alberto / Don José
Pierre Darbon
William Dantoren
Jean Darbon
François Pellec
Pageot
Cigarette seller
Man
Loulou
(uncredited)
(uncredited)
(uncredited)
(uncredited)