Follows the story and real testimony of Lucía, the only witness in the crime of the Jesuits in El Salvador.
| Production | Mariela Besuievsky | Executive Producer |
| Production | Iker Ganuza | Associate Producer |
| Production | Ricardo García Arrojo | Delegated Producer |
| Production | María Luisa Gutiérrez | Producer |
| Production | María Luisa Gutiérrez | Executive Producer |
| Production | Gerardo Herrero | Producer |
| Production | Diego F. Ramírez | Co-Producer |
| Production | Nancy Fernández | Co-Producer |
| Sound | Vanessa Garde Luque | Music |
| Crew | Gonzalo F. Berridi | Cinematography |
| Editing | Teresa Font | Editor |
| Production | Laura Cepeda | Casting |
| Costume & Make-Up | Saioa Lara | Costume Design |
| Directing | Imanol Uribe | Director |
| Writing | Daniel Cebrián | Screenplay |
| Art | Diego López | Production Design |
| Production | Miguel Iturralde | Unit Production Manager |