| Role | Voice Part | Classification |
|---|---|---|
| Ada | Soprano | L |
| Arindal | Tenor | L |
| Gernot | Bass | L |
| Zemina | Soprano | F |
| Farzana | Soprano | F |
| Lora | Soprano | F |
| Gunther | Tenor | F |
| Morald | Baritone | F |
| Drolla | Soprano | S |
| Harald | Bass | B |
| Fairy King | Bass | B |
| Voice of Groma | Bass | B |
| A messenger | Tenor | CB |
| Minimum Chorus: 48 | ||
| Divisi: SATB |