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 |
| Production | Gisela Camara | Executive Producer |
| Writing | Paulo Cursino | Screenplay |
| Production | Tuinho Schwartz | Producer |
| Camera | Luciano Xavier | Director of Photography |
| Costume & Make-Up | Reka Koves | Costume Design |
| Production | André Carreira | Producer |
| Art | Zé Luca | Art Direction |
| Production | Bruno Wainer | Associate Producer |
| Editing | Carlos Eduardo Kerr | Editor |
| Costume & Make-Up | Juliana Mendes | Makeup Artist |
| Sound | Marcelo Arruda | Sound Designer |
| Sound | Victor Quintanilha | Dialogue Editor |
| Directing | Rafael Salgado | Assistant Director |
| Sound | Luciano Corrêa | Musician |
| Production | Tuinho Schwartz | Executive Producer |
| Directing | Pedro Salgueiro Telles | Second Assistant Director |
| Production | Ingrid Guimarães | Associate Producer |
| Sound | Pedro Coelho | Foley Artist |
| Writing | Dostoiewski Champangnatte | Screenplay |
| Directing | Fernanda Badaue | First Assistant Director |
| Sound | Toco Cerqueira | Sound Re-Recording Mixer |
| Production | Carlos Diegues | Associate Producer |
| Sound | Alison Nasario | Sound Assistant |
| Sound | Tiago Picado | Foley Recordist |
| Sound | Luciano Corrêa | Music Arranger |
| Production | Marcela Altberg | Casting Producer |
| Crew | Ariel Wollinger | Post Production Supervisor |
| Crew | Luis Ignacio Barrague | Post Production Supervisor |
| Sound | Luciano Corrêa | Music Producer |
| Production | Pedro Vasconcelos | Associate Producer |
| Sound | Matheus Miguens | Sound Effects Editor |
| Costume & Make-Up | Reka Koves | Wardrobe Master |
| Production | Henrique Castelo Branco | Production Manager |
| Art | Carolina Britto | Set Decoration |
| Sound | Licio Marcos de Oliveira | Sound Mixer |