| Floria Tosca, a famous singer |
| |
Hibla Gerzmava |
– |
soprano |
| Mario Cavaradossi, a painter |
| |
Arsen Soghomonyan |
– |
tenor |
| Baron Scarpia, chief of police |
| |
Vladislav Sulimsky |
– |
baritone |
| Cesare Angelotti, former Consul of the Roman Republic |
| |
Hovhannes Nersesyan |
– |
bass |
| A sacristan |
| |
Hayk Tigranyan |
– |
bass |
| Spoletta, a police agent |
| |
Tigran Melkonyan |
– |
tenor |
| Sciarrone, another agent |
| |
Armen Grigoryan |
– |
bass |
| A jailer |
| |
Ferdinand Muradyan |
– |
bass |
| A shepherd boy |
| |
Yeva Azroyan |
– |
soprano |
