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The Birthday Party

2026 · 114 min

A slow, uneasy pressure builds in a quiet, isolated place until the calm feels dangerous.

Directed by
Léa Mysius
Genres
Thriller
Starring
Hafsia Herzi, Benoît Magimel, Bastien Bouillon
Overview
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.

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In the UKNo streaming, rental or purchase options known.
Directed by
Léa Mysius
Genres
Thriller
Starring
Hafsia Herzi, Benoît Magimel, Bastien Bouillon
In your watch list

How it feels

Written by AI. It can be wrong.

Tone
  • tensestrength 3 of 3
  • eeriestrength 2 of 3
  • darkstrength 2 of 3
  • melancholicstrength 1 of 3
Pacing
slow-burn, 1 of 4, from slow-burn to relentless
Attention
engaged, 3 of 4, from background-friendly to demanding
Themes
  • isolation
  • family
  • mystery
  • deception
  • fate
Places
  • countryside
  • single country house
Era
contemporary
Audience
adult
Form
  • single location
Content intensity
  • Gore mild
  • Language mild
  • Violence strong
  • Sex mild
All scales, 0 to 10
Scales, 0 to 10
ScaleValue0 to 10
Action4
Horror5
Humour1
Realism7
Romance3
Tension8
Darkness7
Complexity7
Emotional weight7

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Where to watch in the UK

No UK streaming, rental or purchase options are known.

Streaming data from JustWatch.TMDB

Details

Genres
thriller
Directed by
Léa Mysius
Written by
Léa Mysius
Starring
Hafsia Herzi, Benoît Magimel, Bastien Bouillon, Monica Bellucci, Tawba El Gharchi, Paul Hamy, Alane Delhaye, Servane Ducorps
Music
Florencia Di Concilio
Cinematography
Paul Guilhaume
Runtime
114 min
Country
France, Belgium
Languages
French

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