Παραγωγός
Guido di Monforte
(Guido di Montfort)
Il sire di Bethune
(Lord of Bethune)
Il conte Vaudemont
(The count of Vaudemont)
Arrigo
La duchessa Elena
(The Duchess Elena)
(1951 Δεκ 12, 16, 19, 27)
Ninetta
Danieli
Tebaldo
Roberto
(1951 Δεκ 09, 19)
Manfredo
Chorus master
Ορχήστρα
Χορωδία