Murderous foreign agents are after a scientist who has invented an atomic engine that could change the future of rocketry.
Martine Carol
as Nathalie Princesse
Félix Marten
as Jacques Fabre
Dany Saval
as Pivoine
Darío Moreno
as Doctor Alberto / Don José
Noël Roquevert
as Pierre Darbon
Howard Vernon
as William Dantoren
Jacques Berthier
as Jean Darbon
André Versini
as François Pellec
Guy Decomble
as Pageot
Catherine Conti
as Cigarette seller
Albert Médina
as
Jacques Mancier
as Man
