Credited cast: | |||
Antonio Vilar | ... | Pierre Genet / Dick | |
Letícia Román | ... | Ethel / Ellen Green | |
Peter van Eyck | ... | Kramer / Jack Haskins | |
![]() |
Américo Coimbra | ... | Mike Danham / João |
Mikaela | ... | Anne Bardot | |
![]() |
Artur Semedo | ... | Mr. Bardot |
Klausjürgen Wussow | ... | Johansson / Bonnard | |
Corny Collins | ... | Jenny Renoir | |
![]() |
Ricardo Rubinstein | ... | Kommissar Oliveira |
![]() |
José Cardoso | ... | Professor Zandor |
![]() |
Ricardo Valle | ... | Agent Andrade |
Frank Braña | |||
Antonio Pica | |||
Rest of cast listed alphabetically: | |||
![]() |
Mario Barros | ... | Bob |
![]() |
Hermann Greegh | ... | Peterson |
A scientist discovers the formula of a particular resistant steel, and a spy ring from an enemy power sets after him to obtain it.