Een echtpaar vindt een getraumatiseerd kind. Echtgenote Paula moet het vreemde gedrag van het meisje ontcijferen om haar identiteit en duistere verleden te ontrafelen.
| Directing | Ignacio Tatay | Director |
| Production | Carolina Bang | Producer |
| Production | Álex de la Iglesia | Producer |
| Art | José Tirado | Production Design |
| Writing | Ignacio Tatay | Writer |
| Camera | Oriol Barcelona | Director of Photography |
| Writing | Isabel Peña | Writer |
| Production | Ignacio Salazar-Simpson | Producer |
| Production | Ricardo Marco Budé | Producer |
| Production | Araceli Pérez-Rastrilla | Executive Producer |
| Sound | Snorri Hallgrímsson | Music |
| Production | Félix Rodríguez | Production Manager |
| Editing | Mapa Pastor | Editor |
| Editing | Cristina Laguna | Editor |
| Costume & Make-Up | Rebeca Durán Estrada | Costume Design |
| Costume & Make-Up | Saray Rodríguez | Makeup Designer |
| Costume & Make-Up | Jesús Gil | Hair Designer |
| Sound | Laura Díez Mora | Sound Designer |
| Sound | Laura Díez Mora | Sound Re-Recording Mixer |
| Sound | Álvaro Silva Wuth | Sound Recordist |
| Production | Álvaro Haro | Casting Director |
| Production | Eneko Botana | Casting Director |
| Directing | Manel Martínez | First Assistant Director |
| Directing | Lorena Vilas | First Assistant Director |
| Directing | David Altamirano | Second Assistant Director |
| Directing | Ainara Gamero | Additional Second Assistant Director |
| Directing | Ybare Seco | Second Second Assistant Director |
| Directing | Miguel Carreras | Second Second Assistant Director |
| Directing | Natalia Braceli | Third Assistant Director |
| Directing | Patricia Vila | Script Supervisor |
| Art | Pablo Buratti | Storyboard Artist |
| Camera | Alicia Galiña Seijo | First Assistant Camera |
| Camera | Ismael Fernández | First Assistant Camera |
| Camera | Alberto Bang | Assistant Camera |
| Camera | Alberto Ojeda Muñoz | Steadicam Operator |
| Camera | Enrique Molina Texidor | Digital Imaging Technician |
| Camera | Rafael Olmo | Digital Imaging Technician |
| Art | Marta Loza | Set Designer |
| Art | Eduardo Gómez | Property Master |
| Art | Juanjo Rodríguez Pérez | On Set Props |
| Art | Antonio Cruces | On Set Props |
| Art | Roger Adolfo | On Set Props |
| Art | Nano Méndez | Set Dresser |
| Art | Mikel Izaguirre | Set Dresser |
| Art | Borja González | Art Department Assistant |
| Art | Monica Perez | Assistant Set Decoration |
| Costume & Make-Up | José Carlos Gómez Solano | Assistant Costume Designer |
| Costume & Make-Up | Irene Pedrosa | Makeup Artist |
| Costume & Make-Up | Haridian Nóbrega | Assistant Makeup Artist |
| Costume & Make-Up | Pedro Rodríguez | Special Effects Key Makeup Artist |
| Sound | Óscar Segovia | Boom Operator |
| Sound | Tomás Erice | Boom Operator |
| Lighting | Álex Sánchez G. | Gaffer |
| Camera | Gil Sala Arás | Grip |
| Camera | Daniel de Juan | Grip |
| Crew | Ignacio Carreño | Stunt Coordinator |
| Crew | Ana Martínez | Stunts |
| Crew | Pilar Carrasco | Stunts |
| Crew | Javier Balbacid | Stunts |
| Crew | Yonay Hernandez | Stunts |
| Visual Effects | Juan Antonio Gómez | Special Effects Supervisor |
| Visual Effects | Ignacio Miguel Montilla | Special Effects Supervisor |
| Camera | Nuria Ayarra Burgos | Still Photographer |
| Camera | Carla Fernández Moragón | Still Photographer |
| Camera | Carla Fernández Moragón | BTS Footage |
| Crew | Gusa Alonso-Pimentel | Post Production Supervisor |
| Editing | Marta Nebot Zurita | Assistant Editor |
| Art | David Guaita | Title Designer |
| Art | Luis Ballesteros García | Title Designer |
| Visual Effects | Ana Rubio | VFX Supervisor |
| Camera | Lluís Ferrer Calafell | Second Unit Director of Photography |
| Camera | Lara Blanco Carranza | First Assistant "B" Camera |
| Camera | Montxo Escudero | First Assistant "B" Camera |
| Camera | Kiko Beltrán | Second Assistant "B" Camera |
| Camera | Borja Donoso | Second Assistant "B" Camera |
| Lighting | Jacobo Anastasi | Additional Gaffer |
