 | Teresa |  |
- Count Alberto, the young Lord of the Castle.
- Luigi, his half-brother.
- The Castellan.
- Teresa, his blind daughter.
- Bianca, Alberto's bride.
- A Priest.
- The Steward of the Household.
- Envoy from Count Carlo, Bianca's guardian.
- Officer and soldiers of Count Carlo.
- Singing-boys, page, men-at-arms.
- Other members of the household, men and women.
PERSONS.
| Teresa | |