In 1336, Pedro, heir to the Portuguese crown, marries Constanza Manuel de Villena, a Castilian noblewoman, for political reasons; but the impulsive prince ends up giving in to his love for Inés de Castro, his wife's lady-in-waiting.
Unfortunately the movie Inés de Castro is not yet available on HBO Max.
| Directing | José Leitão de Barros | Director |
| Sound | Antonio Fernández Roces | Sound |
| Editing | Juan J. Doria | Editor |
| Editing | Jacques Saint-Léonard | Editor |
| Art | Manuel Augusto García Viñolas | Art Direction |
| Writing | Manuel Augusto García Viñolas | Screenplay |
| Writing | Ricardo del Mazo | Screenstory |
| Sound | José Muñoz Molleda | Original Music Composer |
| Directing | Manuel Augusto García Viñolas | Director |
| Writing | Afonso Lopes Vieira | Novel |
| Camera | Heinrich Gärtner | Director of Photography |
| Art | Antonio Simont | Set Decoration |
| Crew | Manuel Machado | Technical Advisor |
| Production | Luis Dias Amado | Consulting Producer |
| Writing | José Leitão de Barros | Screenplay |
| Camera | Mario Pacheco | Camera Operator |
| Crew | Afonso Lopes Vieira | Technical Advisor |
| Writing | Ricardo del Mazo | Dialogue |
| Art | Pierre Schild | Set Decoration |
| Art | Emilio Ruiz Castroviejo | Construction Manager |
| Production | Octavio F. Roces | Production Director |
| Writing | José María Alonso Pesquera | Screenstory |
| Writing | José María Alonso Pesquera | Dialogue |
| Production | José María Alonso Pesquera | Production Manager |
| Production | Oliveira Martins | Delegated Producer |
| Sound | Felipe Sáez | Sound Recordist |
| Camera | Alfredo Carrero | Camera Operator |
| Directing | Alejandro Perla | First Assistant Director |
| Costume & Make-Up | Manuel Comba | Costume Designer |
| Directing | Carmen Salas | Script Supervisor |
| Art | Francisco Escriñá | Set Decoration |
