Explores the Spanish origins of the character's story, where he is a tuberculosis patient from Almeria who will do anything to get well, even consuming the blood of the kids he kidnaps in a sack.
Unfortunately the movie The Boogeyman: The Origin of the Myth is not yet available on HBO Max.
| Directing | Ángel Gómez Hernández | Director |
| Writing | Juma Fodde | Screenplay |
| Writing | Manuel Facal | Story |
| Writing | Ignacio García Cucucovich | Story |
| Writing | Ángel Gómez Hernández | Story |
| Production | Álvaro Ariza | Producer |
| Production | María Luisa Gutiérrez | Producer |
| Production | Ignacio García Cucucovich | Producer |
| Production | María Luisa Gutiérrez | Executive Producer |
| Camera | Javier Salmones | Director of Photography |
| Sound | Jesús Díaz | Music |
| Editing | Luis de la Madrid | Editor |
| Art | Sonia Nolla | Art Direction |
| Production | José Jaime Linares | Production Manager |
| Sound | Eduardo Esquido | Sound Director |
| Costume & Make-Up | Nerea Torrijos | Costume Design |
| Directing | Pablo Ramos | Script Supervisor |
