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 |
| Camera | Celia Benavent | Director of Photography |
| 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 |
| Crew | Raúl Campos | Post Production Supervisor |
| 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 |
| Production | Alessandra Casado | Executive Producer |
| Production | Patrícia Silva | Executive Producer |
| Production | Susana Miguel António | Executive Producer |
| Production | Laura Zapata | Production Manager |
| Crew | Alba María Sueiro | Production Intern |
| Art | Nuno Beato | Creative Director |
| Art | Ana Oliveira | Art Direction |
| Directing | Ana Oliveira | Assistant Director |
| Art | Alexandre Pinto | Set Designer |
| Art | Nuno Beato | Set Designer |
| Art | Nuno Martins | Set Designer |
| Writing | Nuno Beato | Storyboard |
| Writing | Vanessa Caeiro | Storyboard |
| Writing | Joana Brandão | Dialogue |
| Production | Joana Brandão | Casting |
| Art | Débora Gil Da Costa | Construction Coordinator |
| Art | Vítor Estudante | Assistant Director of Photography |
| Crew | Iñaki Madariaga | Special Effects Coordinator |
| Editing | Raúl Campos | Colorist |
| Sound | Daniel Camalhão | Sound Recordist |
| Sound | Rafaela Tatini | Sound Assistant |
| Sound | Daniel Camalhão | Dialogue Editor |
| Sound | Daniel Camalhão | Foley Artist |
| Sound | Daniel Camalhão | Sound Designer |
| Art | Nuno Aguiar | Graphic Designer |
| Sound | Daniel Camalhão | Sound Editor |
| Crew | Mariana Calado | Production Intern |
