At the end of the 19th century, Soledad Romero, a well-known singer, is accused of murder. During the trial his tragic story is revealed.
| Directing | Mario Camus | Director |
| Writing | Antonio Gala | Writer |
| Crew | Fernando Vizcaíno Casas | Additional Dialogue |
| Production | Marciano De la Fuente Rodríguez | Executive Producer |
| Production | Sara Montiel | Producer |
| Sound | Gregorio García Segura | Music |
| Camera | Christian Matras | Director of Photography |
| Editing | José Luis Matesanz | Editor |
| Art | León Revuelta | Production Design |
| Art | Antonio Cortés | Set Decoration |
| Art | Tomás Fernández | Settings |
| Costume & Make-Up | León Revuelta | Costume Design |
| Costume & Make-Up | Dolores García Rey | Assistant Makeup Artist |
| Costume & Make-Up | Antonia López | Hairstylist |
| Costume & Make-Up | Esther Martín | Hairstylist |
| Costume & Make-Up | Julián Ruiz | Makeup Artist |
| Production | Luis Berraquero | Production Manager |
| Production | Pedro Escuder | Assistant Production Manager |
| Directing | Andrés Vich | Assistant Director |
| Art | Tomás Fernández | Construction Coordinator |
| Art | Ramón Molina | Assistant Set Decoration |
| Art | Pedro Sopeña | Property Master |
| Camera | Hans Burmann | Camera Operator |
| Camera | Julio Leyva | Assistant Camera |
| Camera | Simón López | Still Photographer |
| Camera | Marciano Morales | Second Assistant Camera |
| Costume & Make-Up | Roberto Comas | Costumer |
| Costume & Make-Up | Carmen Hernández | Wardrobe Master |
| Costume & Make-Up | Ochagavía | Costumer |
| Costume & Make-Up | Ricardo Vargas | Costumer |
| Editing | Pilar Matesanz | Assistant Editor |
| Directing | Antonio Betancour | Script Supervisor |
| Art | Pablo Núñez | Title Designer |