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 | Michael Goldbach | Writer |
| Writing | Chris Sparling | Writer |
| Production | Stephenie Meyer | Producer |
| Production | Meghan Hibbett | Producer |
| Production | Adrián Guerra | Producer |
| Production | Wyck Godfrey | Producer |
| Production | Marty Bowen | Producer |
| Editing | Rodrigo Cortés | Editor |
| Art | Víctor Molero | Production Design |
| Art | Gemma Fauria | Art Direction |
| Art | Gabriel Liste | Art Direction |
| Art | Nuria Muni | Set Decoration |
| Costume & Make-Up | Patricia Monné | Costume Design |
| Sound | José A. Manovel | Sound Re-Recording Mixer |
| Sound | James Muñoz | Sound Designer |
| Sound | Víctor Reyes | Music |
| Writing | Lois Duncan | Novel |
| Camera | Jarin Blaschke | Director of Photography |
