Prince Kasatsky, later Father Sergius
Countess Korotkova
Maria, countess's daughter
Tsar Nikolai I
Kasatsky's father
Widow of the merchant Makovkin
Merchant
Merchant's daughter
Young priest
Monastery's gatekeeper
Bishop
The story of Prince Stepán Kasátsky discovering his fiancée was the mistress of the Czar, so he then becomes a monk.