A scientist discovers the formula of a particular resistant steel, and a spy ring from an enemy power sets after him to obtain it.
Peter van Eyck | Kramer / Jack Haskins |
Mikaela Wood | Anne Bardot |
Klausjürgen Wussow | Johansson / Bonnard |
António Vilar | Pierre Genet / Dick |
Corny Collins | Jenny Renoir |
Letícia Román | Ethel / Ellen Green |