| Alexandre Aja | Director |
| Martin Wichmann | Writer |
| Koldo Vallés | Production Design |
| Casey Cooper Johnson | Writer |
| Fernando Adem | Digital Compositor |
| Dražen Bošnjak | Sound Designer |
| Alberto Luna | Costume Design |
| Fernando Aliaga | Sound Mixer |
| Pilar Moya | Casting |
| Luis Enrique Carrión | Cinematography |
| Martin Wichmann | Creator |
| José Luis Canalejo | ADR Recordist |
| Casey Cooper Johnson | Executive Producer |
| Estefania Montero | Makeup Artist |
| Alexandre Aja | Producer |
| Martin Wichmann | Executive Producer |
| Lorena Elizabeth Wic | Makeup Artist |
| Alexandre Aja | Writer |
| Julian Sanchez | Production Manager |
| Rocío Ruiz de Azúa | Visual Effects Coordinator |
| Austin Snyder | ADR Voice Casting |
| Pepín | Colorist |
| Carlos Rubio | Visual Effects Supervisor |
| Ignacio Carreño | Stunt Coordinator |
| Timothy Cubbison | ADR Voice Casting |
| Daniel Escribano | Location Manager |
| Ana Dorador | Costume Assistant |
| Javier de Prado | Visual Effects Supervisor |
| Cristina Ortega | Creature Design |
| Elena Moreno-Martet | Script Supervisor |
| Sabrina Lazaro | Tailor |
| Alberto Imaz | Production Coordinator |
| Alejandro Van Rooy | Assistant Costume Designer |
