Ten-year-old Nico receives a threatening letter and now his life is in danger. No one seems to believe him except one person that he doesn't know.
Is The Warning on Netflix? Yes! The movie The Warning is now on Netflix in the countries listed below.
| Directing | Daniel Calparsoro | Director |
| Writing | Jorge Guerricaechevarría | Writer |
| Writing | Patxi Amezcua | Writer |
| Writing | Chris Sparling | Writer |
| Camera | Sergi Vilanova | Director of Photography |
| Production | Pedro Uriol | Producer |
| Editing | Antonio Frutos | Editor |
| Sound | Sergio Burmann | Sound Mixer |
| Writing | Paul Pen | Novel |
| Sound | Julio de la Rosa | Music |
