Murderous foreign agents are after a scientist who has invented an atomic engine that could change the future of rocketry.

• La Société des Films Sirius
• Société Française de Cinématographie (SFC)
• Martine Carol
• Félix Marten
• Dany Saval
• Darío Moreno
• Noël Roquevert
• Howard Vernon
• Jacques Berthier
• André Versini