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 | Patxi Amezcua | Writer |
| Writing | Jorge Guerricaechevarría | Writer |
| Writing | Chris Sparling | Writer |
| Writing | Paul Pen | Novel |
| Production | Pedro Uriol | Producer |
| Sound | Julio de la Rosa | Music |
| Camera | Sergi Vilanova | Director of Photography |
| Editing | Antonio Frutos | Editor |
| Sound | Sergio Burmann | Sound Mixer |
