Dominique Pinon plays Louison, a former circus performer looking for a job and a place to live.
Marie-Laure Dougnac portrays Julie Clapet, the daughter of the building's landlord and love interest of the main character Louison.
Jean-Claude Dreyfus portrays Clapet, the landlord of the building who runs the butcher shop on the ground floor.
Karin Viard appears as Mademoiselle Plusse, a tenant in the building with her own quirky personality.
Ticky Holgado plays Marcel Tapioca, a tenant who is involved in some of the misadventures that occur in the building.
Pascal Benezech appears as Tried to Escape, a character whose fate becomes intertwined with the main storyline.
Edith Ker portrays the Grandmother, a quirky and mysterious resident of the building.
Rufus plays Robert Kube, a character with his own unique personality who interacts with the other residents.
Jacques Mathou portrays Roger Kube, adding to the eccentric mix of characters living in the building.
Chick Ortega appears as the Postman, a minor character who has interactions with the residents of the building.
Jean-François Perrier plays Georges Interligator, a resident connected to the various events unfolding in the story.
Silvie Laguna portrays Aurore Interligator, another resident of the building who is part of the complex web of relationships.
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