| Role | Voice Part | Classification |
|---|---|---|
| Elvira | Soprano | L |
| Arturo (Lord Arthur Talbot) | Tenor | L |
| Riccardo (Sir Richard Forh) | Baritone | L |
| Giorgio (Sir George Walton) | Bass | L |
| Gualtiero (Lord Walton) | Bass | F |
| Bruno (Sir Benno Robertson) | Tenor | S |
| Enrichetta (Queen Henrietta) | Soprano | S |
| Minimum Chorus: 28 | ||
| Divisi: SATB |