| Professor |
| Professor |
| Professor |
| Erminia |
| Countess Brumonti |
| Countess Brumonti |
| Lietta, Countess Brumonti, Stefano |
| Countess Brumonti, Lietta |
| Lietta, Professor |
| Lietta |
| Countess, Konrad |
| Konrad |
| Wounded Konrad, Professor |
| Stefano, Countess, Lietta, Professor |
| Prof's Mother |
| Prof's wife |
| Professor dying |
