She garnered critical acclaim for her roles in films such as Les Blessures Assassines by Jean-Pierre Denis, Charly by Isild Le Besco and No et moi by Zabou Breitman.
She has also appeared in such films as Sheitan by Kim Shapiron, Around a Small Mountain by Jacques Rivette and Les Adieux à la reine by Benoît Jacquot.
Julie-Marie worked at the Comédie-Française, where she was praised for Agnès in L'école des Femmes and Camille in On ne badine pas avec l'amour.
She won the Jean-Jacques Gauthier prize for Best Drama Actress for her monologue La séparation des songes by Jean Delabroy directed by Michel Didym.
She has a French channel, Le petit Théâtre de Julie-Marie, where she tells story for children and the history of theater.