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The Birthday Party poster

The Birthday Party

2026 1h 54m FR
😐
6.1
MID
★6.1TMDB · 19
Thriller
Synopsis
Spoiler shield

Thomas, Nora and their teenage daughter Ida live on remote marshland. Social contact is limited, as they only have one neighbour, Cristina, an Italian painter. As the two households plan a surprise birthday party for Nora, strange disturbances begin to occur and unease rolls over the marsh.

“Some stories are better left unspoiled.”

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Cast

Credits

Behind the camera

Director
Léa Mysius
Writers
Léa Mysius
Languages
French
Countries
France, Belgium

Want more? Switch to Cinephile mode in the header for DP, composer, budget, box office, production companies, keywords, and release history.

Did you know?

Fun facts 🍿

1 / 8
ERA

Did you know

Released this year — you're seeing it while it's still in the cultural conversation.

MoodPlayr · trivia#01
2 / 8
WORLD

Did you know

International production across 2 countries: France, Belgium.

MoodPlayr · trivia#02
3 / 8
DIRECTOR

Did you know

Directed by Léa Mysius, shot by Paul Guilhaume. Note their partnership — DPs and directors often return to each other across a career.

MoodPlayr · trivia#03
4 / 8
DIRECTOR

Did you know

Original score by Florencia Di Concilio. Worth a dedicated listen after — most great films lose half their impact without the score.

MoodPlayr · trivia#04
5 / 8
DIRECTOR

Did you know

Editor Yorgos Lamprinos shaped the rhythm. On an edit-heavy film, the editor does more to control your pulse than the director.

MoodPlayr · trivia#05
6 / 8
CAST

Did you know

Hafsia Herzi and Benoît Magimel and Bastien Bouillon carry the top of the cast.

MoodPlayr · trivia#06
7 / 8
WILD

Did you know

IMDB entry: tt30495381 — still the authoritative cross-reference for credits and trivia.

MoodPlayr · trivia#07
8 / 8
WILD

Did you know

Only 19 TMDB ratings — you're getting ahead of the curve on this one.

MoodPlayr · trivia#08

Cinephile deep dive

The take

Léa Mysius directs. Paul Guilhaume behind the camera. Florencia Di Concilio scores. Yorgos Lamprinos cuts. Produced in France, Belgium. Dialogue in French.

Trivia

Things worth knowing

  • 1Released this year — you're seeing it while it's still in the cultural conversation.
  • 2International production across 2 countries: France, Belgium.
  • 3Directed by Léa Mysius, shot by Paul Guilhaume. Note their partnership — DPs and directors often return to each other across a career.
  • 4Original score by Florencia Di Concilio. Worth a dedicated listen after — most great films lose half their impact without the score.
  • 5Editor Yorgos Lamprinos shaped the rhythm. On an edit-heavy film, the editor does more to control your pulse than the director.
  • 6Hafsia Herzi and Benoît Magimel and Bastien Bouillon carry the top of the cast.
  • 7IMDB entry: tt30495381 — still the authoritative cross-reference for credits and trivia.
  • 8Only 19 TMDB ratings — you're getting ahead of the curve on this one.

The technical file

Cinematography
Paul Guilhaume
Original score
Florencia Di Concilio
Editing
Yorgos Lamprinos
Production design
Esther Mysius
Costume design
Judith de Luze
Makeup / hair
Lucine Azanza
Stunt coordinator
Louis Bujeau
Runtime
114 min · 1h 54m
Status
Released
Original language
FR

Also by

Léa Mysius

Production companies

Who made it

  • F Comme Film

    F Comme Film

    FR

  • France 3 Cinéma

    France 3 Cinéma

    FR

  • DIVISION

    DIVISION

    FR

  • Beside Productions

    Beside Productions

    BE

Key crew

  • ProducerJean-Louis Livi
  • ProducerMarie-Ange Luciani
  • NovelLaurent Mauvignier
  • CastingLeïla Fournier
  • Production DirectorPatrick Armisen
  • CastingCécile Chandernagor
  • CastingSophie Fougère Bouyer
  • Production DesignEsther Mysius
  • EditorYorgos Lamprinos
  • Costume DesignJudith de Luze
  • Key Hair StylistLucine Azanza
  • Makeup Department HeadAlice Robert
  • Production ManagerPatrick Armisen
  • Post Production SupervisorChristine Duchier
  • Unit Production ManagerMaud Quiffet
  • Second Assistant DirectorJustine Arrestier
  • Additional Third Assistant DirectorFrançois Jaouën
  • Third Assistant DirectorLucas Prévost
  • First Assistant DirectorÉlodie Roy
  • First Assistant Art DirectionChloé Desmas
  • Set DesignerLudovic Veru
  • Boom OperatorAntoine Petit
  • Boom OperatorMilan Regnier-Dardenne
  • SoundOlivier Struye

Release history · US

When it landed

  • Premiere2026-09-17· Fantastic Fest 2026

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