Galileo is thwarted in his pursuit to uncover the universe's mysteries by a lack of money, a lazy brother and a jealous rival. Luckily, he finds support from his student, Prince Cosimo, son of the Medici family.
| Actor | Role |
|---|---|
 Michael MoriartyGalileo Galilei | Galileo Galilei |
| KKenny VadasPrince Cosimo | Prince Cosimo |
 Louis Del GrandeColombe | Colombe |
 Tony NardiMichelangelo | Michelangelo |
 Damir AndreiFriar Sarpi | Friar Sarpi |
| AAnna MigliarisiThe Duchess | The Duchess |
 Michael CopemanThe Cardinal | The Cardinal |