A graduate of the National Theatre School of Canada (1997), Kathleen found her place on the Montreal theater scene through working on fifty productions more or less. Among them: La mouette (TNM), Une truite pour Ernestine Shuswap (Espace GO), Rêvez, montagnes! (Espace libre), Opium_37 (Quat’sous), YEL (Prospéro Theater), Le Roi se meurt (TNM), Les voisins (Rougemont Theater), Tout ce qui n’est pas sec (Quat’sous), Révolution @ Laval (Espace Go). Kathleen is also a key figure on the Quebec Musical Theater scene. She was in the cast of the highly acclaimed Belles-Sœurs, which was a resounding success both in Paris and throughout Quebec. In 2018, she remounted the same show, embodying none other than the mythical Germaine, the lead character of the show. She played Madame Peachum in L’Opéra de quat’sous – Three Penny Opera (dir: Brigitte Haentjens), Madame Thénardier in Les Misérables (dir: Frédéric Dubois), Émile's mother in Nelligan (OSM) and participated as a singer in Avec la temps which earned her a Mask Awards nomination in the "Discovery of the Year" category. Kathleen played the role of Betty Bird in Demain matin, Montréal m’attend directed by René-Richard Cyr in 2017 and 2018. In 2019, she performed in Chansons pour filles et garçons perdus at the Théâtre d’Aujourd’hui and will be in the play Le Meilleur des Mondes at Denise-Pelletier Theater. On the big screen, we have seen her in Ma mère est chez le coiffeur, Cruising bar 2, Mars ou Avril and L’affaire Dumont. She is in Sophie Deraspe’s next film, Antigone, which will come out in 2019. On the small screen, she was seen in Les Invincibles, Un sur 2, Au secours de Béatrice, Fatale Station and more recently in L’Académie, Olivier and Unité 9. Kathleen earned her first nomination at the Gemini Awards Gala in 2018 for her moving performance in Olivier as "Best Supporting Role in a Drama Series".