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The Sunken
Cathedral.

Today theater performance
The Sunken Cathedral (La cathédrale engloutie) is part of the Théâtre de Quat'Sous 2026-2027 season and runs from 30 October to 8 November 2026, with performances at 19:30. The story follows Léna, 16, who inherits a detuned old piano after her grandmother's death. Through the instrument she moves back in time, from her mother's life to that of her grandmother's mother. It is a lineage of women who carry the weight of anger and of the silence that came after it. The cast and creative team listed are Rébecca Déraspe, Florent Siaud, Maxime Denommée, Jean Marchand, Marie-Laurence Moreau, Steven Lee Potvin and Marguerite D'Amour. The production is categorised as Fiction 2 — Québec.

Lineup

Maxime Denommée

Maxime Denommée is a Quebec actor born in 1953, working across television, film and theatre. He is also a theatre director and screenwriter, so his career covers both performing and directing for the stage and screen.

Jean Marchand

Jean Marchand is one of the performers in Le dos de Suzanne, written by Gabriel Charlebois Plante and directed by Odile Gamache. The production runs at Théâtre de Quat'Sous in Montreal from 30 September to 18 October 2026.

Marie-Laurence Moreau

Marie-Laurence Moreau is a Quebec stage and screen actress. Her credits include television series such as Les Bougons and Les invincibles. She has performed at Théâtre de Quat'Sous, including in La cathédrale engloutie.

Steven Lee Potvin

Steven Lee Potvin is an actor working in the theatrical field in Quebec. Beyond that, the available facts give no details about his productions, roles or style.

Marguerite D'Amour

Marguerite D'Amour is the creative force behind The Sunken Cathedral, a theater performance that turns storytelling into an immersive experience. Visitors can expect atmospheric staging and artistry that rewards close attention. A memorable stop for lovers of live, imaginative theater.