| Role | Voice Part | Classification |
|---|---|---|
| Télaïre | Soprano | L |
| Castor | Tenor | L |
| Pollux | Baritone | L |
| Phœbé | Soprano | F |
| Mercury | Tenor | S |
| Jupiter | Bass-Baritone | S |
| Cléone | Soprano | B |
| Blessed Spirit | Soprano | B |
| High Priest of Jupiter | Baritone | B |
| Spartan | Tenor | CB |
| Voice | Tenor | CB |
| Hébé | silent | dancer |
| Minimum Chorus: 24 | ||
| Divisi: SATB |