| Role | Voice Part | Classification |
|---|---|---|
| Dr. Stone | High Baritone | L |
| Madame Uterpova | Soprano | L |
| Emily (14-years-old) | Soprano | L |
| Tony | Baritone | L |
| Dr. Turtlespit | Bass | F |
| Penelope Newkirk | Mezzo-Soprano | F |
| Timothy | Tenor | F |
| Mr. Lavender-Gas | Baritone | S |
| Voice on Radio | Speaking | B |
| Minimum Chorus: Children's Chorus | ||
| Chorus Notes: Children’s Chorus: 12 Children (some of whom are required to sing small Solo Parts). Ballet – Globolinks (Sinister creatures) |
Schedule C