| Person | Type | Job | Role(s) |
|---|---|---|---|
 Afonso Lopes Vieira | Crew | Writing | Novel, Technical Advisor |
Alejandro Perla | Crew | Directing | First Assistant Director |
Antonio Simont | Crew | Art | Set Decoration |
 Heinrich Gärtner | Crew | Camera | Director of Photography |
 José Leitão de Barros | Crew | Directing | Director, Screenplay |
José María Alonso Pesquera | Crew | Production | Production Manager, Dialogue, Screenstory |
 José Muñoz Molleda | Crew | Sound | Original Music Composer |
Manuel Augusto García Viñolas | Crew | Art | Art Direction, Screenplay, Director |
Mario Pacheco | Crew | Camera | Camera Operator |
Oliveira Martins | Crew | Production | Delegated Producer |
Pierre Schild | Crew | Art | Set Decoration |
Francisco Escriñá | Crew | Art | Set Decoration |
Carmen Salas | Crew | Directing | Script Supervisor |
Antonio Fernández Roces | Crew | Sound | Sound |
Juan J. Doria | Crew | Editing | Editor |
Ricardo del Mazo | Crew | Writing | Dialogue, Screenstory |
Manuel Comba | Crew | Costume & Make-Up | Costume Designer |
Jacques Saint-Léonard | Crew | Editing | Editor |
Luis Dias Amado | Crew | Production | Consulting Producer |
Manuel Machado | Crew | Crew | Technical Advisor |
Emilio Ruiz Castroviejo | Crew | Art | Construction Manager |
Felipe Sáez | Crew | Sound | Sound Recordist |
Alfredo Carrero | Crew | Camera | Camera Operator |
Octavio F. Roces | Crew | Production | Production Director |
 Alicia Palacios | Cast | Actress | Inés de Castro |
 Antonia Plana | Cast | Lorenza | |
 Antonio Casas | Cast | Actor | Álvaro de Castro |
 António Vilar | Cast | Actor | Pedro I of Portugal |
 Aníbal Vela | Cast | Actor | Juan Manuel de Villena |
Concha López Silva | Cast | Actress | Second Maid |
Erico Braga | Cast | Actor | Afonso IV of Portugal |
 João Villaret | Cast | Actor | Martim the Fool |
 María Dolores Pradera | Cast | Actress | Constanza Manuel de Villena |
 Ramón Martori | Cast | Actor | Fernando de Castro |
 Raul de Carvalho | Cast | Actor | Diogo Lopes Pacheco |
Ricardo del Mazo | Cast | Ayres | |
Alfredo Ruas | Cast | Actor | Álvaro Gonçalves |
Gregorio Beorlegui | Cast | Pero Coelho | |
| Person | Type | Job | Role(s) |
