Het verhaal speelt zich af in de jaren dertig en volgt twee zussen Laura en Kate die de bovennatuurlijke gave bezitten om zich te verbinden met geesten. Ze kruisen het pad van een visionaire maar omstreden Franse producer terwijl ze optreden in Parijs.
Nee, helaas is Planetarium nog niet beschikbaar op Netflix in Nederland.
| Production | Luc Dardenne | Co-Producer |
| Production | Frédéric Jouve | Producer |
| Directing | Rebecca Zlotowski | Director |
| Writing | Rebecca Zlotowski | Screenplay |
| Editing | Julien Lacheray | Editor |
| Production | Jean-Pierre Dardenne | Co-Producer |
| Art | Katia Wyszkop | Production Design |
| Sound | Robin Coudert | Original Music Composer |
| Writing | Robin Campillo | Screenplay |
| Camera | Georges Lechaptois | Director of Photography |
| Costume & Make-Up | Anaïs Romand | Costume Design |
| Directing | Anaïs Couette | Third Assistant Director |
| Directing | Jean-Baptiste Pouilloux | First Assistant Director |
| Production | Delphine Tomson | Co-Producer |
| Directing | Cécile Rodolakis | Script Supervisor |
| Costume & Make-Up | SaraÏ Fiszel | Key Makeup Artist |
| Production | Philippe Elkoubi | Casting Director |
| Art | Benoist Buttin | Assistant Art Director |
| Art | Partel Oliva | Art Direction |
| Camera | Olivier Merckx | Steadicam Operator |
| Crew | Rémi Canaple | Stunt Coordinator |
| Sound | Charles Autrand | Dialogue Editor |
| Sound | Nicolas d'Halluin | ADR Supervisor |
| Sound | Marc Doisne | Sound Re-Recording Mixer |
| Sound | Philippe Penot | Foley Artist |
| Sound | Sébastien Pierre | Foley Recordist |
| Sound | Erwan Quinio | Sound |
| Sound | Damiano Silva | Sound Re-Recording Mixer |
| Directing | Clémentine Castel | Assistant Director |
| Directing | Cristina Freitas | Second Second Assistant Director |
| Directing | Mikaël Gaudin | Third Assistant Director |
| Directing | Damien Noguer | Assistant Director |
| Costume & Make-Up | Sylvie Aid | Makeup Artist |
| Costume & Make-Up | Virginie Berland | Wigmaker |
| Costume & Make-Up | Laurent Caille | Hairstylist |
| Costume & Make-Up | Valérie Chapelle | Makeup Artist |
| Costume & Make-Up | Odile Fourquin | Key Makeup Artist |
| Costume & Make-Up | Christine Giugno | Makeup Artist |
| Costume & Make-Up | Félix Puget | Hairstylist |
| Costume & Make-Up | Fabienne Robineau | Makeup Artist |
