Film Screening: The Great Arch

The Great Arch (French: L’Inconnu de la Grande Arche) is a 2025 French biographical drama film written and directed by Stéphane Demoustier, based on Laurence Cossé’s 2016 novel La Grande Arche.

It stars Claes Bang as Johan Otto von Spreckelsen, the Danish architect who won the 1983 competition for the design of the Grande Arche in Paris despite being virtually unknown. The cast also includes Sidse Babett Knudsen, Xavier Dolan, Swann Arlaud and Michel Fau.

The Great Arch had its world premiere at the Un Certain Regard section of the 2025 Cannes Film Festival on 16 May. It was theatrically released in France on 5 November by Le Pacte.