Een groep vrienden en familie komen samen in het chique nieuwe vakantiehuis van een vrouw die op het punt staat 40 te worden.
Nee, helaas is Felices 140 nog niet beschikbaar op Netflix in Nederland.
| Directing | Gracia Querejeta | Director |
| Production | Mariela Besuievsky | Executive Producer |
| Production | Javier López Blanco | Executive Producer |
| Production | Gerardo Herrero | Executive Producer |
| Art | Uxua Castelló | Production Design |
| Writing | Gracia Querejeta | Writer |
| Costume & Make-Up | Paola Torres | Costume Design |
| Editing | Leire Alonso | Editor |
| Writing | Santos Mercero | Writer |
| Camera | Juan Carlos Gómez | Director of Photography |
| Sound | Federico Jusid | Original Music Composer |
| Production | Carlos Rodríguez | Executive Producer |
| Costume & Make-Up | Milu Cabrer | Makeup Artist |
| Costume & Make-Up | Noé Montes | Hairstylist |
| Production | Camilla-Valentine Isola | Casting |
| Sound | Alberto Ovejero | Sound |
