The Fuentes are not the best family in the world. But what family is it? Work, school and routine have plunged them into a spiral of disconnection that seems impossible to stop. However, everything changes when the youngest of the group, Valentina, makes a wish for her ninth birthday. The next day, all the members of the family wake up with their bodies swapped: The father is in his wife's body, the girl is trapped in the grandmother's body, the teenage twins are not themselves... Chaos takes over. the family and, desperate, they ask themselves: Who is who? While the family faces crazy situations and hilarious circumstances, the Fuentes must learn to get under each other's skin and trust each other to turn the situation around. Will they be able to return to their original bodies and get their lives back?
Unfortunately the movie ¿Quién es quién? is not yet available on Disney Plus.
| Directing | Hugo Martín Cuervo | Director |
| Writing | Irene Niubó | Screenplay |
| Writing | Jean-Patrick Benes | Original Film Writer |
| Camera | Carlos Marsán | Camera Operator |
| Camera | Carlos Marsán | Steadicam Operator |
| Writing | Irene Niubó | Writer |
| Writing | Allan Mauduit | Original Film Writer |
| Writing | Martin Douaire | Original Film Writer |
| Writing | Thibault Valetoux | Original Film Writer |
| Writing | Jean-Patrick Benes | Original Story |
| Writing | Antoine Gandaubert | Original Story |
| Writing | Fabrice Goldstein | Original Story |
| Writing | Antoine Rein | Original Story |
| Production | Jaime Ortiz de Artiñano | Producer |
| Production | Yolanda del Val | Producer |
| Production | Ignacio Segura | Producer |
| Production | Gonzalo Salazar-Simpson | Producer |
| Production | Luis Ferrón Ferri | Producer |
| Production | Rosa Pérez | Executive Producer |
| Production | Laia Medina | Executive Producer |
| Production | Merche Herranz | Executive Producer |
| Camera | Pablo Bürmann | Director of Photography |
| Sound | Iván Valdés | Music |
| Editing | Ángel Hernández Zoido | Editor |
| Art | Esmeralda Díaz | Production Design |
| Production | Belén Calafell | Casting |
| Production | María Gómez de Liaño | Production Director |
| Sound | Tamara Arévalo | Sound Recordist |
| Sound | Jorge Alarcón | Sound Editor |
| Sound | Candela Palencia | Sound Mixer |
| Costume & Make-Up | Pepo Ruiz Dorado | Costume Design |
| Costume & Make-Up | Raquel Fidalgo | Makeup Department Head |
| Costume & Make-Up | Noé Montes | Hair Department Head |
| Directing | Angie Paul Risque | First Assistant Director |
| Directing | Zaira Zanguitu | First Assistant Director |
| Directing | Olka Cwirko | Second Assistant Director |
| Directing | Roberto Ochoa | Second Assistant Director |
| Directing | Gloria Picó | Third Assistant Director |
| Camera | Olvido Pérez | First Assistant "B" Camera |
| Camera | Alberto Leal | Still Photographer |
| Sound | Isabel Díaz | Boom Operator |
| Sound | Damián López Asla | Boom Operator |
| Sound | Guillermo Soler | Boom Operator |
| Art | Vanessa Monreal | Set Decoration |
| Crew | Ignacio Carreño | Stunt Coordinator |
| Crew | Alba Martín Alarcón | Stunts |
| Crew | Araceli Carrilero | Stunts |
| Crew | Héctor Vaquero | Stunts |
| Crew | Tamara Carreño Morilla | Stunts |
| Visual Effects | Raúl Romanillos | Special Effects Supervisor |
| Lighting | Peru Herrero | Gaffer |
| Lighting | Xabier Urretabizkaia Elizondo | Best Boy Electric |
| Camera | Iván Sequeira | Key Grip |
| Editing | Sandra Otero | Color Grading |
| Editing | Juan Hernando | Color Grading |
| Visual Effects | Miguel Costa Templado | VFX Supervisor |
| Sound | Miguel Barbosa | Foley Artist |
| Sound | Xes Diéguez | Foley Artist |
| Crew | Dani de la Orden | Thanks |
| Crew | Antonio Resines | Thanks |
| Crew | Mercedes Gamero | Thanks |
| Crew | Eduardo Campoy | Thanks |