He was part of the cast of the TV series 450 chemin du Golf and Annie et ses Hommes and of Le retour.

He also plays in Minuit, le soir and Dans une galaxie près de chez vous, two series that he developed and wrote with his old partner in crime Pierre-Yves Bernard.

Together, they also wrote the movie Dans une galaxie près de chez vous, in which he portrays Flavien Bouchard.

Moreover, Legault was co author of Le monde selon Dieu, in which he played at Espace GO and at the Vieux-Clocher in Sherbrooke, Quebec.

He has been seen on stage in Durocher le milliardaire and Propagande and on the big screen in Gaz Bar Blues, Les 7 Jours du Talion and 10½.