De jonge Eugenie beschikt in de negentiende eeuw over een unieke gave. Zij kan de doden zowel horen als zien. Wanneer haar familie dit ontdekt wordt ze door haar vader en broer naar het Salpêtrière-hospitaal gevoerd. De kliniek wordt geleid door Jean-Martin Charcot.
Nee, helaas is Le Bal des folles nog niet beschikbaar op Netflix in Nederland.
| Production | Axelle Boucaï | Producer |
| Art | Stanislas Reydellet | Production Design |
| Camera | Nicolas Karakatsanis | Director of Photography |
| Costume & Make-Up | Maïra Ramedhan Levi | Costume Design |
| Production | Alain Goldman | Producer |
| Writing | Victoria Mas | Novel |
| Writing | Mélanie Laurent | Screenplay |
| Costume & Make-Up | Pascale Bouquière | Key Makeup Artist |
| Visual Effects | Céline Goriot | Visual Effects Producer |
| Sound | Cyril Holtz | Sound Re-Recording Mixer |
| Sound | Cyril Moisson | Sound |
| Costume & Make-Up | Stéphane Robert | Makeup Artist |
| Production | Fabrice Lambot | Executive Producer |
| Costume & Make-Up | Chloé Van Lierde | Assistant Makeup Artist |
| Costume & Make-Up | Laure Malterre | Makeup Artist |
| Production | Axel Décis | Associate Producer |
| Costume & Make-Up | Karine Palazzi | Makeup Artist |
| Editing | Anny Danché | Editor |
| Sound | Florent Coutel | Sound Assistant |
| Sound | Alexis Place | Sound Designer |
| Writing | Christophe Deslandes | Co-Writer |
| Sound | Jon Goc | Sound Editor |
| Sound | Valentin Sampietro | Boom Operator |
| Sound | Sacha Mikoff | Sound Assistant |
| Writing | Julien Decoin | Co-Writer |
| Crew | Yves Girard | Stunt Coordinator |
| Directing | Mélanie Laurent | Director |
| Art | Arnaud Denis | Art Direction |
| Art | Nathalie Vaïsse | Art Direction |
| Costume & Make-Up | Agathe Dupuis | Hair Department Head |
| Costume & Make-Up | Charlotte Le Clerre | Makeup Artist |
| Production | Emilie Gauthier | Casting |
| Production | Richard Rousseau | Casting |