A mysterious teenager named Ángelo cares for Klaus, a German doctor with a dark past who lives trapped in an iron lung.
Unfortunately the movie In a Glass Cage is not yet available on HBO Max.
| Directing | Agustí Villaronga | Director |
| Sound | Ricard Casals | Sound Re-Recording Mixer |
| Production | Teresa Enrich | Executive Producer |
| Editing | Raúl Román | Editor |
| Sound | Javier Navarrete | Original Music Composer |
| Art | Francesc Candini | Production Design |
| Camera | Jaume Peracaula | Director of Photography |
| Costume & Make-Up | Andrés Urdiciaian | Costume Designer |
| Costume & Make-Up | Imma Vallmitjana | Costume Designer |
| Writing | Agustí Villaronga | Screenplay |
| Production | Biel Moll | Assistant Production Manager |
| Directing | Paco Siurana | Assistant Director |
| Production | Paco Poch | Production Manager |
| Crew | Reyes Abades | Special Effects |
| Sound | Licio Marcos de Oliveira | Sound Mixer |
| Art | América Sánchez | Graphic Designer |
| Costume & Make-Up | Elisenda Villanueva | Makeup Artist |
| Art | Jordi Artigau | Set Dresser |
| Costume & Make-Up | J. Ruiz Alonso | Makeup & Hair Assistant |
| Art | Isidro Terraza | Property Master |
| Art | José Ángel Cebollada | Props |
| Crew | José Martínez | Carpenter |
| Art | Carme Curt | Props |
