L'inconnu de la Grande Arche by Stéphane Demoustier, in the Un Certain Regard selection at Cannes 2025

Published by Manon de Sortiraparis · Published on April 11, 2025 at 01:32 p.m.
Oh joy! Stéphane Demoustier arrives at Cannes 2025, in the Un Certain Regard selection, with his film L'inconnu de la Grande Arche.

If there's one film we're really looking forward to at Cannes 2025, it's L'inconnu de la Grande Arche, the new film by Stéphane Demoustier, whose excellent Borgo(for which Hafsia Herzi won the César for Best Actress) and no less excellent La Fille au Bracelet (which won the César for Best Adaptation in 2021) are already on our books.

This year, the French director, brother of actress Anaïs Demoustier, returns to the Croisette with a historical film about the construction of the Grande Arche de La Défense in 1983. The cast includes Claes Bang, Sidse Babett Knudsen, Michel Fau, as well as Xavier Dolan and Swann Arlaud.

Where and when can I see L'inconnu de la Grande Arche in France?

L'inconnu de la Grande Arche will be unveiled at the Cannes Film Festival 2025. The release date in French cinemas is not yet known.

Synopsis: In 1983, François Mitterrand decided to launch an international architectural competition for the flagship project of his presidency: the Grande Arche de la Défense, aligned with the Louvre and the Arc de Triomphe! To everyone's surprise, Copenhagen professor Otto von Spreckelsen won the competition. Overnight, this 53-year-old man, unknown in France, arrived in Paris, where he was propelled to the head of this pharaonic construction site. And while the architect intends to build the Grande Arche just as he imagined it, his ideas soon come up against the complexities of reality and the vagaries of politics.

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Discover the official selection for the 78th edition of the Cannes Film Festival, held on the Croisette from May 13 to 24, 2025. The first films presented in and out of competition were revealed on Thursday April 10, 2025. [Read more]

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