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Virgílio Teixeira as D. Luis de Meneses |
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Margarita Andrey as Beatriz de Mascarenhas |
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María Isbert as Inês, criada |
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Helga Liné as Clara |
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Regina Montenegro as |
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Paiva Raposo as Don Estevão de Portugal |
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Jesús Tordesillas as Calderón de la Barca |
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Manuel Lereno as Cartero |
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Barroso Lopes as Gonçalo, sirviente |
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Manolo Morán as |
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Juan Espantaleón as Don Álvaro de Mascarenhas, padre de Beatriz |
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António Vilar as Don Francisco de Mendoça |
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Gabriel Algara as |
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Nati Mistral as |
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Virgílio Teixeira as Don Luis de Meneses |
| Directing | Eduardo García Maroto | Director |
| Writing | Manuel Pinheiro Chagas | Novel |
| Writing | Augusto Costa | Dialogue |
| Writing | Alfredo Echegaray | Writer |
| Production | Eduardo García Maroto | Producer |
| Production | Fernando Macedo | Producer |
| Production | Vicente Sempere | Producer |
| Sound | Jesús García Leoz | Music |
| Sound | Jaime Mendes | Music |
| Camera | José F. Aguayo | Director of Photography |
| Crew | Francesco Izzarelli | Cinematography |
| Crew | João Macedo | Cinematography |
| Art | Pierre Schild | Set Decoration |
| Costume & Make-Up | José María Sánchez | Makeup Artist |
| Costume & Make-Up | Maria da Paz d'Orey | Costume Design |
| Costume & Make-Up | Pinto de Campos | Costume Design |
| Production | Eduardo Costa | Production Manager |
| Directing | Óscar Acúrcio | Assistant Director |
| Directing | José Neves | Assistant Director |
| Camera | Virgílio Rodrigues | Still Photographer |
| Art | Mário Costa | Set Decoration |
