Directed by
| Ismael Rodríguez | ||
Writing Credits (in alphabetical order)
| James Henaghan | ... | (story) (as Jim Henaghan) |
| Pedro Mario Herrero | ||
| Ismael Rodríguez | ||
Cast (in credits order)
| Daniel Gélin | ... | Gunther Smith | |
| Yolanda Varela | ... | Sra. Smith | |
 |
Nino del Arco | ... | Dieter Smith |
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Karin Block | ... | Karin Dalhman |
| Carlos Piñar | ... | Guardia alemán #1 (as Carlos Pinar) | |
| Jorge Rigaud | ... | Sr. Dalmhan (as George Rigaud) | |
| Gérard Tichy | ... | Guardia alemán #2 (as Gerard Tichy) | |
| Inma de Santis | ... | Martha (as Ima de Santis) | |
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Harry Wolff | ... | Novio de Karin |
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Hans Hardt | ... | Voz de locutor en TV |
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Gundula Burkert | ... | Mamá de Frida (as Gundel Brkert) |
| Hugo Blanco | ... | Guardia alemán - oeste | |
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Manuel González | ... | Guardia alemán #3 |
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José Ángel Espinosa 'Ferrusquilla' | ... | Hombre que escapa del muro (as Jose Angel Espinoza) |
| Linda Christian | ... | Madre de Martha | |
| Rest of cast listed alphabetically: | |||
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Karin Kloer | ... | Frida (uncredited) |
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María Encarnación López | ... | Sra. compradora (uncredited) |
Produced by
| Fernando de Fuentes hijo | ... | producer |
Music by
| Adolfo Waitzman | ||
Cinematography by
| Alfredo Fraile | ||
Second Unit Director or Assistant Director
| Mario Hernandez | ... | assistant director |
