Los desafíos presenteert drie afzonderlijke verhalen die met elkaar verbonden zijn door een Amerikaanse aanwezigheid in Spanje in de jaren zestig, waarbij Dean Selmier in alle drie de rol van de Amerikaanse man speelt.
Nee, helaas is Los desafíos nog niet beschikbaar op Netflix in Nederland.
| Directing | Víctor Erice | Director |
| Directing | José Luis Egea | Director |
| Directing | Claudio Guerín Hill | Director |
| Art | Pablo Gago | Set Decoration |
| Editing | Pablo G. del Amo | Editor |
| Production | Primitivo Álvaro | Production Manager |
| Costume & Make-Up | María Carmen Alberdi | Assistant Makeup Artist |
| Crew | Luis Cuadrado | Cinematography |
| Costume & Make-Up | Cristóbal Criado | Makeup Artist |
| Directing | José Miguel Hernán | Script Supervisor |
| Directing | José Luis Ruiz Marcos | Assistant Director |
| Art | Jesús Mateos | Props |
| Costume & Make-Up | Angelines Castro | Seamstress |
| Art | Pablo Martínez Bris | Property Master |
| Camera | Teo Escamilla | Camera Operator |
| Camera | Laureano López | Still Photographer |
| Directing | Francisco J. Querejeta | Second Assistant Director |
| Art | Salvador Augustín | Assistant Set Decoration |
| Editing | Rosario Sáinz de Rozas | Assistant Editor |
| Camera | Ángel González | Assistant Camera |
| Writing | Rafael Azcona | Writer |
| Writing | Claudio Guerín Hill | Writer |
| Writing | Víctor Erice | Writer |
| Writing | José Luis Egea | Writer |
| Production | Elías Querejeta | Producer |
