Francois Arnaud (born Francois Barbeau; July 5, 1985) is a French Canadian television, stage and film actor. Arnaud is best known for his performances as Cesare Borgia in Showtime's TV series The Borgias, and as Antonin in the critically acclaimed French Canadian movie J'ai tue ma mere. In Quebec, he is known for his role as Theo in the TV series Yamaska.