| Role | Voice Part | Classification |
|---|---|---|
| Marie Celeste | Soprano | L |
| Young Galileo | Baritone | L |
| Old Galileo | Tenor | L |
| Duchess Christina | Soprano | F |
| Salviati | Baritone | F |
| Sagredo | Soprano | S |
| Cardinal #1 | Countertenor | S |
| Priest | Baritone | S |
| Cardinal #2 | Baritone | S |
| Cardinal #3 | Bass-Baritone | S |
| Pope Urban VIII | Bass | S |
| Simplico | Bass | S |
| Cardinal Barberini | Bass | S |
| Eos | Soprano | B |
| Marie de’ Medici | Soprano | B |
| Maria Magdelena | Mezzo-Soprano | B |
| Scribe | Mezzo-Soprano | B |
| Oracle #1 | Countertenor | B |
| Inquisitor #1 | Countertenor | B |
| Inquisitor #2 | Baritone | B |
| Oracle #2 | Baritone | B |
| Servant | Baritone | B |
| Father of Merope | Bass | B |
| Speaker | Spoken | B |
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'Galileo Galilei' (Philip Glass) Schedule C Listing Continued on Next Page... |
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'Galileo Galilei' (Philip Glass) Schedule C Listing Continued Below... |
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| Minimum Chorus: No chorus |
Schedule C