Olga discovers the unfinished diary of a notorious killer and becomes captivated by its dark secrets. As she delves deeper, she uncovers a mysterious connection between them, putting her life—and the lives of those around her—in grave danger.
Unfortunately the movie The Diary is not yet available on HBO Max.
| Directing | Emma Bertrán | Director |
| Directing | Alba Gil | Director |
| Camera | Erwin Jaquez | Director of Photography |
| Production | Ivan Gutierrez Araico | Producer |
| Art | Sandra Cabriada | Production Design |
| Costume & Make-Up | Mariestela Fernández | Costume Designer |
| Costume & Make-Up | Pedro Guijarro | Makeup & Hair |
| Production | Mercedes Gironella | Casting |
| Editing | María Fernanda de la Peza Vignau | Editor |
| Editing | Emma Bertrán | Editor |
| Production | Priscila Doncel Albores | Post Producer |
| Sound | Isabel Muñoz Cota | Sound Director |
| Sound | Ricardo Cabrera | Boom Operator |
| Sound | Pedro González | Sound Designer |
| Sound | Tomás Barreiro | Original Music Composer |
| Visual Effects | Feroz Carmesí | VFX Artist |
| Visual Effects | Emerson Bonadias | VFX Artist |
| Writing | Pamela Pons Saez | Writer |
| Writing | Emma Bertrán | Writer |
| Production | Regina Valdés | Producer |
| Production | Alberto Müffelman | Producer |
| Production | Emma Bertrán | Executive Producer |
