After studying at Cégep de Saint-Hyacinthe's School of Theatre, Marilyn Bastien founded "Pourquoi Scène" in 2012, a theatre company where she produced the French Canadian version of the play “The Vagina Monologues” as well as "Les fées ont soif". In 2018, she founded "Pourquoi Productions Inc.”, focusing on cinema and television. That same year, she produced and starred in director Jean Sébastien Lozeau's debut feature film, "Live Story”. Presently, she co-directs and produces "Dehors Novembre”, a show touring Quebec until 2024. On television, she appeared in various Quebec soap operas and series like "District 31" as Andréa Racicot, "Sans Rendez-vous”, and "Survivre à ses Enfants”. In 2022, Marilyn took the lead female role of “Albina” in the short horror film “Tubers” (Les Tubercules) by director Vanessa-Tatjana Beerli.