Juan Méndez Bernal leaves his house on the 9th of april of 1936 to fight in the imminent Spanish Civil War. 83 years later, his body is still one of the Grass Dwellers. The only thing that he leaves from those years on the front is a collection of 28 letters in his own writing.
Unfortunately the movie The Grass Dwellers is not yet available on HBO Max.
| Production | Rubén Álvarez | Production Assistant |
| Crew | David Collantes Rodríguez | Cinematography |
| Directing | Pablo Pagán Méndez Kodiak | Director |
| Writing | Pablo Pagán Méndez Kodiak | Writer |
| Production | Pablo Pagán Méndez Kodiak | Producer |
| Crew | Pablo Pagán Méndez Kodiak | Cinematography |
| Sound | Pancho Aguirre | Sound Designer |
| Production | Mª Carmen L. Herrera | Producer |
| Production | Mª Carmen L. Herrera | Head of Production |
| Crew | Rubén Álvarez | Driver |
| Visual Effects | Mariano Torres Negri | Visual Effects |
| Editing | Pablo Pagán Méndez Kodiak | Editor |
| Editing | David Collantes Rodríguez | Color Grading |
| Crew | Guardia Civil de Navas del Rey | Thanks |
| Crew | Ayuntamiento del Colmenar del Arroyo | Thanks |
| Crew | Lois Patiño | Thanks |
| Crew | Policía Local de Navas del Rey | Thanks |
| Crew | Alejandro Alonso | Thanks |
| Crew | Daniela Muñoz | Thanks |
| Crew | Juanjo Díaz Polo | Thanks |
| Writing | Juan Mendez Bernal | Book |
| Crew | Tony Terrón | Thanks |
| Crew | Anto Benítez Iglesia | Thanks |
| Crew | Elena de la Cuadra Colmenares | Thanks |
| Crew | Antoñi Campaná | Thanks |
| Crew | Alberto Vega Lozano | Thanks |
| Crew | Agustí Centelles | Thanks |
| Crew | Pilar Carrera | Thanks |
| Crew | David Muñoz | Thanks |
