An orphan raised by her aunt, Ellena becomes Vivaldi’s beloved after he first sees her in a Naples church.

The Marchesa’s ominous confessor and secret adviser, enlisted to help prevent Vivaldi and Ellena from marrying.

Vivaldi’s haughty, vindictive mother, who opposes Ellena because of her social position and seeks Schedoni’s help separating the couple.

Vivaldi’s proud, principled father, who insists that his son cannot marry someone he considers socially beneath their family.

Vivaldi’s faithful servant and companion, who accompanies him while he investigates the mysterious warnings surrounding his courtship of Ellena.

Ellena’s elderly aunt and guardian, who receives Vivaldi courteously but cautions him that his distinguished family may reject the match.

A nun at the convent of San Stefano who takes an interest in Ellena and offers comfort during her confinement.