Ângela Cristina, mother of teenager Maria de Lourdes, has to deal with the difficulties and delights of guiding her daughter during one of the most complicated stages of life.
Unfortunately the movie Fala Sério, Mãe! is not yet available on HBO Max.
| Writing | Thalita Rebouças | Novel |
| Writing | Ingrid Guimarães | Screenplay |
| Directing | Pedro Vasconcelos | Director |
| Costume & Make-Up | Juliana Mendes | Makeup Artist |
| Writing | Paulo Cursino | Screenplay |
| Camera | Luciano Xavier | Director of Photography |
| Art | Zé Luca | Art Direction |
| Production | Bruno Wainer | Associate Producer |
| Production | Tuinho Schwartz | Producer |
| Editing | Carlos Eduardo Kerr | Editor |
| Production | André Carreira | Producer |
| Production | Gisela Camara | Executive Producer |
| Costume & Make-Up | Reka Koves | Costume Design |
| Production | Tuinho Schwartz | Executive Producer |
| Production | Henrique Castelo Branco | Production Manager |
| Production | Carlos Diegues | Associate Producer |
| Writing | Dostoiewski Champangnatte | Screenplay |
| Production | Pedro Vasconcelos | Associate Producer |
| Production | Ingrid Guimarães | Associate Producer |
| Directing | Fernanda Badaue | First Assistant Director |
| Crew | Luis Ignacio Barrague | Post Production Supervisor |
| Sound | Luciano Corrêa | Music Arranger |
| Art | Carolina Britto | Set Decoration |
| Sound | Luciano Corrêa | Music Producer |
| Crew | Ariel Wollinger | Post Production Supervisor |
| Sound | Victor Quintanilha | Dialogue Editor |
| Directing | Pedro Salgueiro Telles | Second Assistant Director |
| Costume & Make-Up | Reka Koves | Wardrobe Master |
| Sound | Marcelo Arruda | Sound Designer |
| Sound | Alison Nasario | Sound Assistant |
| Sound | Tiago Picado | Foley Recordist |
| Production | Marcela Altberg | Casting Producer |
| Sound | Licio Marcos de Oliveira | Sound Mixer |
| Sound | Pedro Coelho | Foley Artist |
| Sound | Toco Cerqueira | Sound Re-Recording Mixer |
| Sound | Matheus Miguens | Sound Effects Editor |
| Directing | Rafael Salgado | Assistant Director |
| Sound | Luciano Corrêa | Musician |