Een Baskische vallei tussen 1875 en 1936, de jaren van de Tweede Carlistische Oorlog en de Spaanse Burgeroorlog. De rivaliteit tussen Manuel en Carmelo begint voor de oorlog en eindigt in een loopgraaf waar Carmelo sneuvelt en Manuel, die liever laf dan dood is, ontsnapt.
Nee, helaas is Vacas nog niet beschikbaar op Netflix in Nederland.
| Directing | Julio Medem | Director |
| Writing | Michel Gaztambide | Screenplay |
| Writing | Julio Medem | Screenplay |
| Production | Fernando de Garcillán | Executive Producer |
| Production | José Luis Olaizola | Executive Producer |
| Production | Enrique López Lavigne | Producer |
| Camera | Carles Gusi | Director of Photography |
| Editing | María Elena Sáinz de Rozas | Editor |
| Costume & Make-Up | Gregorio Mendiri | Makeup Artist |
| Production | Javier Orce | Unit Production Manager |
| Costume & Make-Up | María José Iglesias | Costume Design |
| Production | Ricardo García Arrojo | Production Manager |
| Art | Rafael Palmero | Art Direction |
| Camera | Carles Gusi | Camera Operator |
| Writing | Julio Medem | Story |
| Directing | Txarly Llorente | Assistant Director |
| Directing | Usoa Urbieta | Script Supervisor |
| Directing | José Miguel Aguiló | Second Assistant Director |
| Directing | Cristina Somalo | Assistant Director Trainee |
| Directing | Ana Gil | Assistant Director Trainee |
| Production | Víctor Sánchez | Production Assistant |
| Production | Javier Zulueta | Unit Production Manager |
| Production | Alicia Yubero | Production Secretary |
| Production | Cayetano Olaizola | Production Assistant |
| Production | Juan Pablo Seijo | Production Trainee |
| Camera | Toni Anglada | Assistant Camera |
| Camera | Eric Schwarz | Second Assistant Camera |
| Art | Vicente Ameztoy | Sculptor |
| Art | Cecilia Roca | Painter |
| Art | Gonzalo Thovar | Set Decoration |
| Art | Jorge Tintó | Property Master |
| Art | José García Donado | Key Set Painter |
| Art | Martín Sánchez | Painter |
| Crew | Alberto Feito | Carpenter |
| Costume & Make-Up | Lena Mossum | Assistant Costume Designer |
| Costume & Make-Up | Pilar Borja Gregorio | Hairstylist |
| Crew | Reyes Abades | Special Effects |
| Crew | Isidro Ruano | Special Effects Assistant |
| Crew | Ángel Plana | Stunts |
| Editing | Lourdes Olaizola | Assistant Editor |
| Editing | Berta García | Assistant Editor |
| Lighting | Félix Guede | Gaffer |
| Lighting | Txema Areizaga Orube | Electrician |
| Lighting | Iñigo Bach | Electrician |
| Camera | Gorka Eskisabel | Grip |
| Sound | Eduardo Fernández | Sound Mixer |
| Sound | Luis Castro | Foley Artist |
| Sound | Javier Paxariño | Musician |
| Sound | Alberto Iglesias | Musician |
| Sound | Alberto Iglesias | Music Programmer |
| Sound | Juan Alberto Arteche | Musician |
| Sound | Juan Alberto Arteche | Music Producer |
| Crew | Ángel Megino | Transportation Coordinator |
| Crew | Floren Nazabal | Thanks |
| Crew | Floren Nazabal | Stunt Double |
| Crew | Donato Larretxea | Thanks |
| Crew | Donato Larretxea | Stunt Double |
| Sound | Alberto Iglesias | Original Music Composer |
