After interning her insane husband in a remote psychiatric hospital, book editor Helga Pato returns home by train, where she meets a mysterious man who identifies himself as a psychiatrist.
| Directing | Aritz Moreno | Director |
| Writing | Antonio Orejudo | Novel |
| Production | Merry Colomer | Producer |
| Editing | Raúl López | Editor |
| Production | Leire Apellániz | Producer |
| Production | Juan Gordon | Producer |
| Production | Frédéric Fiore | Co-Producer |
| Costume & Make-Up | Virginie Alba | Costume Designer |
| Camera | Javier Agirre Erauso | Director of Photography |
| Sound | Cristóbal Tapia de Veer | Original Music Composer |
| Writing | Javier Gullón | Screenplay |
| Production | Tim Belda | Co-Producer |
| Camera | Iñigo Bach | Key Grip |
| Costume & Make-Up | Cecilia Escot Mangas | Key Makeup Artist |
| Visual Effects | Marine Ligouzat | Visual Effects Coordinator |
| Sound | Grégory Vincent | Foley Artist |
| Production | Alicia Tellería | Production Director |
| Crew | Miriam Larragay | Stunt Double |
| Sound | Laure Arto | Sound Mixer |
| Crew | Elena Alcolea | Post Production Supervisor |
| Production | Pilar Benito | Executive Producer |
| Directing | Ane Muñoz | Script Supervisor |
| Art | Mikel Serrano | Production Design |
| Sound | Alazne Ameztoy | Sound Recordist |
| Production | Déborah Borque | Casting Director |
| Editing | Paulino F. Ibañez | Color Grading |
| Sound | Carla Silván | Sound Editor |
| Costume & Make-Up | Olga Cruz | Hair Department Head |
| Crew | Antonio Orejudo | Thanks |
| Costume & Make-Up | Karmele Soler | Makeup Department Head |
| Directing | Antton Zabala | Assistant Director |
| Directing | Zaira Zanguitu | Second Assistant Director |
| Camera | David Herranz | Still Photographer |
| Art | Ane Arteaga | Property Master |
| Crew | Gaizka Egilegor | Stunt Double |
| Production | Eric Tavitian | Executive Producer |
| Lighting | Álex Abajo | Gaffer |
| Visual Effects | Céline Goriot | Visual Effects Supervisor |
| Production | Itziar Otxoa | Location Manager |
