She went on stage at the age of 15, making the theater merge with her life, to such an extent that the meeting of the one who will share her life and give her his pseudonym - Noureddine Kasbaoui - takes place during the rehearsals of a play by William Shakespeare: The Merchant of Venice. Mouna Noureddine performs many roles in the troupe's repertoire, notably under the direction of Aly Ben Ayed: Sakr Kouraïch, Al Hallaj, Yerma, Le maréchal, Ghira Tedhraféchira, Hamlet, Elloghz, Leïla men elf lila, Ors eddam, Mejnoun Leïla, Mourad III, Beït Bernard alba, Ahl el berak, Caligula, Atchane ya sabaya, Les Troyennes, etc.