Rosa's life, a highly valued professional, is turned upside down when her grandfather Marcelino dies.
Unfortunately the movie My Grandfather's Demons is not yet available on HBO Max.
| Writing | Cristina Pinheiro | Screenplay |
| Writing | Possidónio Cachapa | Screenplay |
| Production | Martine Vidalenc | Producer |
| Production | Nuno Beato | Producer |
| Production | Emmanuel Quillet | Producer |
| Production | Carlos Juárez | Producer |
| Production | Mariana Calado | Production Assistant |
| Production | Joana Brandão | Casting |
| Camera | Celia Benavent | Director of Photography |
| Art | Ana Oliveira | Art Direction |
| Editing | Aurora Sulli | Editor |
| Directing | Nuno Beato | Director |
| Visual Effects | Nuno Beato | Animation Director |
| Art | Sonia Iglesias Rey | Sculptor |
| Art | Débora Gil Da Costa | Set Designer |
| Visual Effects | Iñaki Madariaga | Visual Effects Supervisor |
| Crew | Raúl Campos | Post Production Supervisor |
| Sound | Daniel Camalhão | Sound |
| Sound | Emilio García | Sound Mixer |
| Sound | Carlos Guerreiro | Original Music Composer |
| Sound | Manuel Riveiro | Original Music Composer |
| Production | Raquel Perea | Executive Producer |
| Production | Alicia Veira | Production Director |
| Production | Laura Zapata | Producer |
| Production | Montse Besada | Delegated Producer |
| Production | Fernando R. Ojea | Delegated Producer |
| Production | Xosé Zapata | Producer |
| Production | Diogo Carvalho | Producer |
| Writing | Possidónio Cachapa | Screenstory |
| Writing | Nuno Beato | Screenstory |
