"O Filho Único do Pai" tells the story of Lucas, a frustrated logistics analyst who tries to pull himself together after being betrayed by his fiancee. And when everything looked bad enough, Antônio, his father, an eccentric retired actor, reappears after a long time and forces his son to make decisions that will change the direction of his life.
| Actor | Role |
|---|---|
| JJotapê LimaLucas | Lucas |
| HHiroldo SerraAntônio | Antônio |
 Robério DiógenesTompson | Tompson |
 Larissa GóesNot listed | Not listed |
| MMatheus FranklinNot listed | Not listed |
| BBeatriz FeitosaNot listed | Not listed |
| HHiramissa SerraNot listed | Not listed |
| DDaniele SoaresNot listed | Not listed |
 Pedro DominguesNot listed | Not listed |
| GGilson TenórioNot listed | Not listed |
| WWillian MendonçaNot listed | Not listed |