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Nino del Arco as Dieter Smith |
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Daniel Gélin as Gunther Smith |
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Yolanda Varela as Mrs. Smith |
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George Rigaud as Mr. Dalmhan |
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Karin Block as Karin Dalhman |
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Harry Wolff as Karin's boyfriend |
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Inma de Santis as Martha (as Ima de Santis) |
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Linda Christian as Martha's mother |
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María Encarnación López as Mrs. buyer |
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Karin Kloer as Frida |
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Gundula Burkert as Frida's grandmother |
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Hugo Blanco as West German guard |
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Carlos Piñar as East german guard #1 |
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Gérard Tichy as East german guard #2 |
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Manuel González as East German guard #3 |
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Hans Hardt as TV Broadcaster |
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José Ángel Espinosa 'Ferrusquilla' as Man who jumps the wall |
| Directing | Ismael Rodríguez | Director |
| Sound | Adolfo Waitzman | Original Music Composer |
| Camera | Alfredo Fraile | Director of Photography |
| Writing | Ismael Rodríguez | Writer |
| Writing | Pedro Mario Herrero | Writer |
| Writing | James Henaghan | Story |
