Xavier Depraz, né Xavier Marcel Delaruelle (22 April 1926 – 18 October 1994) was a French opera singer and actor. Born in Albert (Somme), Depraz was a bass at the Paris Opéra until 1971. He took part in the premieres of operas by Marcel Landowski and Sergei Prokofiev. He also appeared as an actor, first on television, where he played the role of Ursus in The Man who laughs by Jean Kerchbron, then on the big screen. Depraz entered the Conservatoire de Paris in 1947 where he attended the classes of Fernand Francell for singing, Louis Musy for …