Paris in the 1920s. Marguerite Dumont is a wealthy woman with a passion for music and the opera. For years, she has performed regularly for a circle of guests. But Marguerite sings tragically out of tune and no one has ever told her. Her husband and her close friends have always encouraged her in her illusions. Things become very complicated the day she gets it into her head to perform in front of a genuine public, at the Opera.
Unfortunately the movie Marguerite is not yet available on HBO Max.
| Directing | Xavier Giannoli | Director |
| Production | Michaël Laguens | Casting |
| Camera | Glynn Speeckaert | Director of Photography |
| Sound | Ronan Maillard | Original Music Composer |
| Editing | Cyril Nakache | Editor |
| Costume & Make-Up | Pierre-Jean Larroque | Costume Design |
| Production | Olivier Delbosc | Producer |
| Production | Marc Missonnier | Producer |
| Art | Martin Kurel | Production Design |
| Production | Christine de Jekel | Executive Producer |
| Production | Artemio Benki | Executive Producer |
| Writing | Xavier Giannoli | Writer |
| Writing | Marcia Romano | Co-Writer |
| Production | Philippe Hagège | Production Manager |
| Production | Branko Jehlar | Production Manager |
| Production | Arwa Salmanova | Casting |
| Crew | Susana Antunes | Post Production Supervisor |
| Directing | Tomáš Pavlacký | First Assistant Director |
| Directing | Mirek Lux | First Assistant Director |
| Directing | Martina Götthansova | Second Assistant Director |
| Directing | Matěj Leš | Third Assistant Director |
| Production | Geneviève Lemal | Co-Producer |
| Art | Beatrice Brentnerova | Art Direction |
| Art | Pavel Tatar | Art Direction |
| Art | Véronique Melery | Set Decoration |
| Art | Nora Sopková | Set Decoration |
| Costume & Make-Up | Andrea Koutkova | Hairstylist |
| Production | Sian Bolland | Production Manager |
| Directing | Vojta Hlavicka | Third Assistant Director |
| Directing | Marketa Magerova | Third Assistant Director |
| Art | Petr Grig | Set Designer |
| Art | Ondřej Lipenský | Graphic Designer |
| Art | Petra Oplatková | Graphic Designer |
| Crew | Pavel Smid | Scenic Artist |
| Art | Karel Stýblo | Set Dresser |
| Crew | Stanislav Suva | Scenic Artist |
| Art | Petra Vencelidesová | Graphic Designer |
| Art | Magdalena Zemanova | Art Department Coordinator |
| Art | Petr Zůza | Leadman |
| Sound | Gabriel Hafner | Sound Re-Recording Mixer |
| Sound | François Musy | Sound Mixer |
| Sound | Renaud Musy | Boom Operator |
| Sound | Philippe van Leer | Foley Artist |
| Visual Effects | Guillaume Pondard | Visual Effects Supervisor |
| Art | Luciano Vittori Jr. | Title Designer |
| Camera | Michel Galtier | First Assistant Camera |
| Camera | Larry D. Horricks | Still Photographer |
| Lighting | Zdeněk Požár | Best Boy Electric |
| Camera | Mark Rimmer | Camera Operator |
| Costume & Make-Up | Pierre-Adrien Gassot | Assistant Costume Designer |
| Costume & Make-Up | Jan Sotola | Costume Coordinator |
| Editing | Magalie Léonard | Colorist |
| Editing | Sarah Perrain | Assistant Editor |
| Production | Robert Mehrle | Location Manager |
| Sound | Cécile Coutelier | Music Editor |
| Sound | Vivien Kiper | Music Supervisor |
| Sound | Marie Sabbah | Music Supervisor |
| Directing | Aurélie Nolf | Script Supervisor |
