Kit, a troubled girl, is sent to the exclusive Blackwood boarding school, where she discovers that only four other female students have been admitted to learn the four pillars of knowledge under the ominous wing of the mysterious headmistress Madame Duret.
Unfortunately the movie Down a Dark Hall is not yet available on HBO Max.
| Visual Effects | Marc Domènech Sanmiquel | Digital Compositor |
| Sound | Rodrigo Cortés | Music Producer |
| Directing | Susana García Díez | Assistant Director |
| Directing | Rodrigo Cortés | Director |
| Writing | Chris Sparling | Writer |
| Writing | Michael Goldbach | Writer |
| Production | Stephenie Meyer | Producer |
| Art | Gabriel Liste | Art Direction |
| Art | Nuria Muni | Set Decoration |
| Production | Meghan Hibbett | Producer |
| Costume & Make-Up | Patricia Monné | Costume Design |
| Sound | José A. Manovel | Sound Re-Recording Mixer |
| Sound | James Muñoz | Sound Designer |
| Production | Wyck Godfrey | Producer |
| Art | Víctor Molero | Production Design |
| Production | Adrián Guerra | Producer |
| Production | Marty Bowen | Producer |
| Art | Gemma Fauria | Art Direction |
| Editing | Rodrigo Cortés | Editor |
| Sound | Víctor Reyes | Music |
| Writing | Lois Duncan | Novel |
| Camera | Jarin Blaschke | Director of Photography |
