A secret agent uncovers four atomic rockets with a lethal gas warhead which have been stolen from a secret factory, and a dastardly plot.
| Actor | Role |
|---|---|
 Eddie ConstantineNick Carter | Nick Carter |
 Nicole CourcelDora Beckmann | Dora Beckmann |
 Joe DassinJanos Adler | Janos Adler |
 Jeanne ValérieLia | Lia |
 Jacques HardenCaptain Herbert | Captain Herbert |
 Roger RudelBeckmann | Beckmann |
 Jean OzenneWedermeyer sr. | Wedermeyer sr. |
 Pierre RousseauNiemann | Niemann |
 Michel RuhlRudolf Wedermeyer | Rudolf Wedermeyer |
| GGordon FelioGondolach | Gondolach |
 Graziella GalvaniNanny | Nanny |
 Carl StuderCommodore | Commodore |
 Donald O'BrienNot listed | Not listed |
| JJimmy KaroubiLittle Man | Little Man |
 Marcel ChampelKommissar | Kommissar |
 Marcello PaglieroProf. Witt (uncredited) | Prof. Witt (uncredited) |