Lucía, a club dancer on the run, takes refuge in a sinister building on the outskirts of Madrid where her sister Rocío lives with her daughter Alba.
| Directing | Jaume Balagueró | Director |
| Writing | Fernando Navarro | Screenplay |
| Production | Álex de la Iglesia | Producer |
| Production | Carolina Bang | Producer |
| Writing | Jaume Balagueró | Screenplay |
| Camera | Pablo Rosso | Director of Photography |
| Editing | Luis de la Madrid | Editor |
| Directing | David de Barrio | Second Assistant Director |
| Art | Celia Casterá | Graphic Designer |
| Art | Joseba Gracenea | Property Master |
| Sound | Laura Díez Mora | Sound Designer |
| Sound | Yvonne Miralles | Foley Recordist |
| Production | Araceli Pérez-Rastrilla | Executive Producer |
| Sound | Kiku Vidal | Foley Artist |
| Sound | Erik Vidal | Foley Artist |
| Sound | Javier Pérez García | Boom Operator |
| Visual Effects | Rubén Algarra | Visual Effects Supervisor |
| Visual Effects | Ramón Cervera | Visual Effects Supervisor |
| Visual Effects | Miky Girón | Digital Compositor |
| Crew | Ángel Cobes | Stunts |
| Crew | Ramón Jiménez Montoya | Stunts |
| Crew | Pedro Torres | Stunts |
| Camera | Alberto Bang | Second Assistant Camera |
| Camera | Alejandro Capita Alonso | Grip |
| Camera | Víctor Garoz Ruiz | Grip |
| Lighting | Isaías Ibáñez | Gaffer |
| Costume & Make-Up | José Carlos Gómez Solano | Wardrobe Assistant |
| Editing | Guillermo Lorenzana Torns | Assistant Editor |
| Editing | Jordi López | Additional Editor |
| Sound | Nerea Alberdi | Orchestrator |
| Costume & Make-Up | Rebeca Durán Estrada | Costume Designer |
| Art | Patrick Salvador | Production Design |
| Sound | Vanessa Garde Luque | Original Music Composer |
| Costume & Make-Up | Paloma Durán Lozano | Makeup Designer |
| Costume & Make-Up | Paloma Durán Lozano | Hair Designer |
| Costume & Make-Up | David Ambit | Makeup Effects Designer |
| Sound | Mar González | Sound Recordist |
| Sound | Yasmina Praderas | Sound Mixer |
| Production | Cristina Campos | Casting Director |
| Production | Jorge Galerón | Casting Director |
| Directing | María Giráldez | Assistant Director |
| Directing | Rosa Fortuño Royo | Second Assistant Director |
| Directing | Ana Mayandía | Assistant Director Trainee |
| Directing | Joel Márquez | Assistant Director Trainee |
| Directing | María Guerra | Script Supervisor |
| Production | Yaël Moreno | Extras Casting |
| Production | Félix Rodríguez | Production Director |
| Production | Marta Verdugo Pastor | Production Coordinator |
| Production | Hugo Fernández Trompeta | Production Manager |
| Camera | Raúl Morales | Camera Operator |
| Camera | Gabi García | Assistant Camera |
| Camera | Itziar Montiaga | Assistant Camera |
| Camera | Tomás Martín García | Second Assistant Camera |
| Camera | Sara Barquín | Focus Puller |
| Art | Sandra Galicia | Assistant Set Dresser |
| Art | Elena Pardo | Assistant Set Dresser |
| Art | Yolanda Moreno-Burgos | Set Designer |
| Sound | Néstor Luz Lacasa | Boom Operator |
| Camera | Ángel Reina | Key Grip |
| Visual Effects | Óscar Abades | Special Effects Supervisor |
| Costume & Make-Up | Alba Bautista | Special Effects Key Makeup Artist |
| Crew | Ricardo Cruz Jr. | Stunt Coordinator |
| Crew | María Crespo | Stunt Coordinator |
| Crew | Julio Cruz Ardura | Stunt Coordinator |
| Crew | Mario Salgado | Stunts |
| Crew | Sira Herranz | Stunts |
| Crew | Alba M. Villar | Stunts |
| Crew | Aitana D. Chaves | Stunts |
| Crew | Miguel Villalba | Stunts |
| Crew | María Crespo | Stunts |
| Crew | Gusa Alonso-Pimentel | Post Production Supervisor |
| Editing | Guillermo Lorenzana Torns | Additional Editor |
| Editing | Toni Anglada | Colorist |
| Sound | Vanessa Garde Luque | Orchestrator |
| Visual Effects | Joan Amer | Visual Effects Supervisor |
| Visual Effects | Cesc Biénzobas | Visual Effects Supervisor |
| Visual Effects | Anna Cabañas | Visual Effects Coordinator |
| Crew | Jordi Camps | Special Effects |
| Crew | Alba Ribera | Special Effects |
| Visual Effects | Guillem Pagès | Animation |
| Visual Effects | Llorenç Borràs | Animation |
| Visual Effects | Isidro Jiménez | Visual Effects Supervisor |
| Crew | Pedro Piqueras | Thanks |
| Camera | Fernando Navarro | Steadicam Operator |
