Frankie Bargher is hired by the government to pose as his own brother who became a target for two groups of evil agents.
| Actor | Role |
|---|---|
 Joachim FuchsbergerFrankie Bargher | Frankie Bargher |
 Erika BlancMaud Taylor | Maud Taylor |
 Eddi ArentKaiser | Kaiser |
 Rosalba NeriElena | Elena |
 Rik BattagliaDrummer | Drummer |
| KKarin FieldKarin | Karin |
 Mariano Vidal MolinaTom Fenner | Tom Fenner |
| WWalter BarnesCol. O’Connor | Col. O’Connor |
| LLuis de TejadaCaldar | Caldar |
 Charles FawcettProf. Peers | Prof. Peers |
 Tito GarcíaMac | Mac |
| GGaspar 'Indio' GonzálezNot listed | Not listed |
| DDámaso MuníNot listed | Not listed |
| ÓÓscar PellicerNot listed | Not listed |
 Carlos Miguel SoláNot listed | Not listed |
| TTomás TorresNot listed | Not listed |