Les vpres siciliennes (The Sicilian Vespers - is a grand opera in five acts by the Italian romantic composer Giuseppe Verdi) roles include the Le Sire de Bthune, a French officer, Louis Guymard and Thibault, a French soldier.
Louis Gueymard Guy de Montfort, Governor of Sicily under Charles d'Anjou, King of Naples Le Sire de Bethune, a French officer Le Comte de Vaudemont, a French officer Henri, a young Sicilian Jean Procida, a Sicilian doctor La Duchesse Helene, sister of Duke Frederick of Austria Ninette, her maid Danieli, her servant Thibault, a French soldier Robert, a French soldier Mainfroid, a Sicilian, adherent of Procida 
