Yvon Barrette (born September 16, 1946) is a Canadian actor from Alma, Quebec. He is best known for his portrayal of goaltender Denis Lemieux in 1977's Slap Shot.Barrette trained at the National Theatre School of Canada but left in 1969 before graduation due to disagreement over the notion of creation the School had toward Quebec theatre, along with classmates Pierre Curzi, Paule Baillargeon and Gilbert Sicotte.