On her birthday, Mery receives the worst news: her husband died in a confusing road accident. Meanwhile, Román, the boyfriend of Mery's teenage daughter, Celina, was involved in the accident. The processes of grief and how to deal with guilt as a teenager come together to tell the story of survival in "The Last Birthday."
| Actor | Role |
|---|---|
| MMarisa TisseraMery | Mery |
| MMáximo LópezRomán | Román |
| MMiguel Ángel ChiniMiguel | Miguel |
| CCarmen AldayPato | Pato |
| TTovio VelozoFanny | Fanny |
| MMilagros ReñeMadre de Román | Madre de Román |
| NNatalí UrundeSandra | Sandra |
| SSantiago ZavallaGustavo Alsina | Gustavo Alsina |
| EElena VillagranDora | Dora |
| AAna DeiloffTía | Tía |
| EEzequiel BuchNaco | Naco |
| MMarina BilardelloPola | Pola |
| MMarcela KowalskyEva | Eva |
| AAngela MartínezMartina | Martina |
| LLuciano VitaliDiego | Diego |
| JJazmín Padilla FreijoSandra niña | Sandra niña |
| SSergio NoroMédico | Médico |
| LLiliana ArceJueza | Jueza |
| DDana GaviniPeriodista | Periodista |
| RRodrigo AcevedoDani | Dani |
| AAndrés CuatrínHombre Moto 1 | Hombre Moto 1 |
| GGabriel RodríguezHombre Moto 2 | Hombre Moto 2 |
| PPriscila BarateroDoble Pola | Doble Pola |
| MMalena CudiniAmiga 1 | Amiga 1 |
| AAmanda AlvaradoAmiga 2 | Amiga 2 |
| LLiliana NemeAmiga 3 | Amiga 3 |
| SSusana PassarinoAmiga 4 | Amiga 4 |