The Birthday Party poster
Where to stream

The Birthday Party

20261h 54mMovieThriller

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.

DirectorLéa Mysius
WriterLéa Mysius
ProducersMarie-Ange Luciani·Jean-Louis Livi

Where to watch

Release date for theatres
September 16, 2026

The Birthday Party is set to release on September 16, 2026 and isn't in cinemas or streaming yet. Streaming usually follows about 6–8 weeks after release (estimated around November 4, 2026).

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Cast · Directed by Léa Mysius

HHHafsia Herzi
Hafsia Herzi
Nora
BMBenoît Magimel
Benoît Magimel
Franck
BBBastien Bouillon
Bastien Bouillon
Thomas Bergogne
MBMonica Bellucci
Monica Bellucci
Cristina
TG
Tawba El Gharchi
Ida
PHPaul Hamy
Paul Hamy
Flo
ADAlane Delhaye
Alane Delhaye
Bégue
SDServane Ducorps
Servane Ducorps
Estelle
TTTatia Tsuladze
Tatia Tsuladze
Kim
JD
Jean-Paul Daniel
Chef de service
DS
Dario Hardouin Spurio
Kylian

More from Hafsia Herzi · Lead actress

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More from Benoît Magimel · Co-star actor

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More from Léa Mysius · Director

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The Birthday Party — streaming FAQ

Which OTT platform streams The Birthday Party?

The Birthday Party isn't streaming anywhere in Canada yet.

Is The Birthday Party on Netflix?

No, The Birthday Party is not on Netflix in Canada as of September 2026.

Is The Birthday Party on Amazon Prime Video?

No, The Birthday Party isn't on Amazon Prime Video in Canada right now.

Where can I watch The Birthday Party for free?

The Birthday Party isn't streaming in Canada yet, so there's no way to watch it free at the moment.

What is the OTT release date for The Birthday Party?

The Birthday Party hasn't started streaming in Canada yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around November 4, 2026. This is a prediction, not a confirmed date.