Bouffon (1993). In 1987, she played Madame Moulinard in the series Marc et Sophie, broadcast for five seasons until 1992, on TF1. In the early 1990s, she is a member of the big heads. In 1991, she played her second one-woman show at the Théâtre Déjazet for several months. In 1993, she returned to the stage of the Théâtre Michel with Sexe et Jalousie by Marc Camoletti. In 1994, she returned to television with the series Cluedo, broadcast on France 3, where she played Madame Leblanc alongside Andréa Ferréol and Bernard Ménez for a year. In 1995, she is one of the main roles in the weekly series Les Gromelot et les Dupinson. Launched by France 2 to succeed the very popular Maguy which had just ended. The same year, she co-presents, with Daniel Schick, the program Maman va adorer, on Saturdays, in the first part of the evening, on TF1. In 1997, she went to the Théâtre d'Edgar for a third one-woman show, Marie-Jeanne a disparu. n 2004, Marie-Pierre Casey played Ma Cassidy in the comedy Les Dalton by Philippe Haïm, with Marthe Villalonga as Ma Dalton, Ginette Garcin as Ma James and Sylvie Joly as Ma Billy. During the 2000s, she plays in several dramas for Radio France, we can cite the adaptation of Les Inconnus dans la maison by Georges Simenon in 2003 or the adaptation of the comic Agrippine by Claire Bretécher in 2012. At the Théâtre des Variétés, she plays Émilie in La Dame de chez Maxim's , she also plays alone on stage in On descend tous des limaces at the Théo Théâtre. Since June 2018, she plays Aunt Lucienne in the popular series En famille broadcast on M6: "I love it! In addition, I bitch all the time in life, so the transfer was done directly! It was not at all a role of composition! Besides, all the characters I've played so far are always bitching. It amuses me a lot". In March 2020, she played in the radio adaptation of Jean Giono's Un roi sans divertissement on France Culture14 broadcast on the occasion of the fiftieth anniversary of the writer's death15. In October 2020, she was part of the cast of the series La Flamme, on Canal+, alongside Jonathan Cohen, Florence Foresti and Laure Calamy, playing the character of Claude, an "atypical 3x28 year old pretender". In 2022, she made her return