| Role | Voice Part | Classification |
|---|---|---|
| Yadira | Mezzo Soprano | L |
| Mezzo Soprano | Mezzo Soprano | L |
| Clay / Javier | Tenor | L |
| Costello / Phantom | Baritone | F* |
| * The voice of the Phantom is to be sung amplified, offstage, by the same artist who performs the role of Costello. | ||
| Minimum Chorus: No chorus |