| Role | Voice Part | Classification |
|---|---|---|
| Lorenzo Da Ponte | Baritone | L |
| Lorenzo Da Ponte Jr./Lorenzo as a Young Man* | Bass-Baritone | L |
| Maria Malibran/Wolfgang Amadeus Mozart/Nancy Da Ponte née Grahl* | Mezzo Soprano | L |
| Patrick Kelly/Bishop of Ceneda/Giacomo Casanova/Emperor Joseph II/Opera Taylor/Clement Clark Moore* | Tenor | F |
| Giulietta/Anzoletta/Mary Grahl/Brigida Banti* | Soprano | F |
| Faustina/Angela Tiepolo/Annetta/Matilda Grahl/Anna Morichelli* | Soprano | S |
| Child Da Ponte/Da Ponte Child* | Treble | B |
| Child Girolamo/Da Ponte Child* | Treble | B |
| Child Luigi/Da Ponte Child* | Treble | B |
| Da Ponte Child | Treble | B |
| Da Ponte Child | Treble | B |
| Solo Soprano | Soprano | CB |
| Solo Alto | Alto | CB |
| Solo Tenor | Tenor | CB |
| * Combined roles are as specified in the score and were performed as such in the premiere production. | ||
| Minimum Chorus: 32 | ||
| Divisi: SATB |
Schedule C