'Guadalquivir' is a feature length documentary directed by Joaquín Gutiérrez that features a fox, an animal that has adapted, living in packs and alone and that is a carnivore, vegetarian and even carrion. The camera follows the path of the fox by the Sierras de Cazorla, Segura and Las Villas.
| Directing | Joaquín Gutiérrez Acha | Director |
| Sound | Pablo Martín-Caminero | Music |
| Camera | Joaquín Gutiérrez Acha | Director of Photography |
| Production | Sabine Holzer | Executive Producer |
| Writing | Fernando López-Mirones | Writer |
| Production | José María Morales | Producer |
