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Juan José Mosalini as Daniel Galvan, the singer |
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Ángel Del Villar as Tony Basilio Rocha, the boxer |
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Anna Larreta as Ana Gallo, daughter |
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Hanns Zischler as Lieutenant Suarez |
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Nikolaus Dutsch as Sanchez, barrier guard |
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Georges Géret as Dr. Gallo |
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Asdrubal Teles as Morales |
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Luís Lucas as Black-haired |
| Directing | Peter Lilienthal | Director |
| Writing | Peter Lilienthal | Writer |
| Writing | Osvaldo Soriano | Novel |
| Editing | Siegrun Jäger | Editor |
| Production | Jürgen Haase | Producer |
| Camera | Michael Ballhaus | Director of Photography |
| Sound | Juan José Mosalini | Original Music Composer |
| Art | Georgio Carrozzino | Art Direction |
| Art | Peter Lilienthal | Set Decoration |
| Costume & Make-Up | Ute Truthmann | Costume Design |
| Production | Roswitha Frankenhauser | Production Manager |
| Sound | Hartmut Eichgrün | Sound |
