| Role | Voice Part | Classification |
|---|---|---|
| John Sorel | Baritone | L |
| Magda Sorel, his wife | Soprano | L |
| The Secretary | Mezzo Soprano | L |
| The Mother | Contralto | F |
| Secret Police Agent | Bass | F |
| Nika Magadoff (The Magician) | Tenor | F |
| Mr. Kofner | Bass-Baritone | S |
| The Foreign Woman | Soprano | S |
| Anna Gomez | Soprano | S |
| Vera Boronel | Contralto | S |
| First and Second Plainclothesmen | Silent | B (each) |
| Assan, friend of John Sorel | Baritone | B |
| Voice on the Record | Soprano | B |
| Minimum Chorus: No chorus |
Schedule C