A small village in Huelva, Andalusia, Spain, 1936. Higinio and Rosa have been married only for a few months when the Civil War breaks out. Higinio, being afraid of possible reprisals from the rebel faction, decides to use a hole dug in his own house as a temporary hideout.
Unfortunately the movie The Endless Trench is not yet available on HBO Max.
| Directing | Jon Garaño | Director |
| Directing | Aitor Arregi | Director |
| Directing | Jose Mari Goenaga | Director |
| Writing | Jose Mari Goenaga | Screenplay |
| Writing | Luiso Berdejo | Screenplay |
| Camera | Javier Agirre Erauso | Director of Photography |
| Sound | Pascal Gaigne | Original Music Composer |
| Art | Pepe Domínguez del Olmo | Production Design |
| Production | Xabier Berzosa | Producer |
| Production | Olmo Figueredo | Producer |
| Production | Iñaki Gomez | Producer |
| Production | Iñigo Obeso | Producer |
| Editing | Laurent Dufreche | Editor |
| Editing | Raúl López | Editor |
| Production | Fernando Larrondo | Executive Producer |
| Production | Carlos Rosado Sibón | Executive Producer |
| Production | Miguel Menéndez de Zubillaga | Executive Producer |
| Production | Jose Mari Goenaga | Executive Producer |
| Production | Birgit Kemner | Executive Producer |
| Art | Gigia Pellegrini | Art Direction |
| Art | Mikel Serrano | Art Direction |
| Costume & Make-Up | Lourdes Fuentes | Costume Designer |
| Costume & Make-Up | Saioa Lara | Costume Designer |
| Sound | Alazne Ameztoy | Sound Recordist |
| Sound | Iñaki Díez | Sound Recordist |
| Sound | Xanti Salvador | Sound Editor |
| Sound | Xanti Salvador | Sound Designer |
| Sound | Nacho Royo-Villanova | Sound Mixer |
| Sound | Xanti Salvador | Sound Mixer |
| Costume & Make-Up | Yolanda Piña | Makeup & Hair |
| Costume & Make-Up | Félix Terrero | Makeup & Hair |
| Costume & Make-Up | Nacho Díaz | Makeup Effects Designer |
| Production | Ander Sistiaga | Production Director |
| Directing | Laura Alvea | Assistant Director |
| Production | Eva Leira | Casting Director |
| Production | Yolanda Serrano | Casting Director |
| Crew | Gaizka Egilegor | Stunt Coordinator |
| Crew | Matías Alejandro | Stunts |
| Directing | Hugo Baena | Second Assistant Director |
| Directing | Ane Muñoz | Script Supervisor |
| Art | Octavio Llorca | Property Master |
| Lighting | Álex Abajo | Gaffer |
| Camera | Iñigo Bach | Key Grip |
| Camera | Ernesto Núñez | Key Grip |
| Sound | Álex F. Capilla | Foley Artist |
| Editing | Natxo Sainz | Color Grading |
| Crew | Natxo Sainz | Post Production Supervisor |
| Visual Effects | David Heras | Visual Effects Supervisor |
| Camera | David Herranz | Still Photographer |
| Art | Iker Ayestaran | Graphic Designer |
