Kroon van Castilië, 1520. De Comuneros komen in opstand tegen Karel I, koning van Castilië en Aragon en keizer van de Spaanse monarchie. Terwijl Juan de Padilla, leider van de opstand, en zijn kapiteins, Juan Bravo en Francisco Maldonado, vechten tegen de keizerlijke legers, heerst zijn vrouw, María de Pacheco, over de stad Toledo, de hoofdstad van de rebellen.
Nee, helaas is La Leona de Castilla nog niet beschikbaar op Netflix in Nederland.
| Directing | Juan de Orduña | Director |
| Writing | Francisco Villaespesa | Theatre Play |
| Costume & Make-Up | José D'Hoy | Costume Designer |
| Writing | Vicente Escrivá | Screenplay |
| Crew | José D'Hoy | Technical Advisor |
| Writing | Juan de Orduña | Screenplay |
| Costume & Make-Up | Manuel Pertegaz | Costume Designer |
| Art | Sigfrido Burman | Production Design |
| Costume & Make-Up | Francisco Puyol | Makeup & Hair |
| Sound | Juan Quintero | Original Music Composer |
| Camera | Alfredo Fraile | Director of Photography |
| Camera | Francisco Sempere | Camera Operator |
| Sound | Jaime Torrens | Sound Engineer |
| Production | Enrique Balader | Production Manager |
| Sound | Gabriel Besagañas | Sound Assistant |
| Camera | Salvador Gil | Camera Technician |
| Camera | Antonio Ibañez | Still Photographer |
| Editing | Petra de Nieva | Editor |
| Art | Antonio Luna | Property Master |
| Art | Francisco Prósper | Construction Coordinator |
| Directing | Fortunato Bernal | Assistant Director |
| Production | Tomás de la Plaza Alonso | Production Secretary |
| Directing | Joaquín Vera | Second Assistant Director |
| Production | Sinesio Isla | Production Secretary |
