| Role | Voice Part | Classification |
|---|---|---|
| Lakme | Soprano | L |
| Gerald | Tenor | L |
| Nilakantha | Bass | L |
| Frederic | Baritone | F |
| Mallika | Mezzo-Soprano | S |
| Hadji | Tenor | S |
| Ellen | Soprano | S |
| Rose | Soprano | S |
| Miss Benson | Mezzo-Soprano | S |
| A Thief (Sepoy-Gypsy) | Bass | CB |
| A Chinese Merchant | Tenor | CB |
| A Fortune Teller | Tenor | CB |
| Minimum Chorus: 28 | ||
| Divisi: SATB |