Sergine has directed the French language dubs of over fifteen feature films, including The Rewrite (with Hugh Grant), Mr. Holmes (with Ian McKellen), and Terrence Malick's Song to Song (with Ryan Gosling). She was also the French voice of actresses Allison Janney, Famke Janssen, Rachel Griffiths, Linda Hamilton, Cate Blanchett, Minnie Driver and Diane Keaton.
A graduate of the American Musical and Dramatic Academy of New York, Sergine has a studied with several renowned acting coaches, including Warren Robertson and Tom Toddoroff and has studied directing actors with Judith Weston. She is an acting coach herself. Her musical theatre classes have been established since 2002. Quebec industry magazine "Cinéressources" has honored Sergine's classes with its "Workshops of the Year" award in 2010.
French-Canadian actress/director Sergine Dumais is known for her work in Quebec musical theatre as well as for her work as a voice actress and director in Los Angeles. Credits as a performer include “5 Woman Show”, “La Cage aux Folles” and “Grease”. Stage directing credits include Jason Robert Brown’s “13”, and the French adaptation of “Little Women, The Musical”.