Her other films include Le Dîner de Cons (1998), La Dilettante (1999), and Haute Cuisine (2012).

[2] Catherine demonstrated comic talent at an early age, and enrolled in the Versailles conservatory when she was 14, and was still in school.

In 1975, Frot appeared at the Festival d'Avignon with the Compagnie du Chapeau Rouge (Red Hat Company), which she founded with the help of others.

From then on, she put all her energy into theatre performances in roles such as the Présidente de Tourvel in the play Les Liaisons dangereuses in 1987.

In films, Frot won the César Award for Best Actress in a Supporting Role in 1996, for playing Yolande, the sweet silly wife of a provincial bully, in Cédric Klapisch's Un air de famille, and was funny and moving as a wealthy, rebellious nuisance in La Dilettante (1999).