Erostrato (EH-rohs-TRAH-toh), the son of a wealthy Sicilian. He is in love with Polynesta and gains access to her house by posing as his servant, Dulippo. Imprisoned by her father, he is released and united with Polynesta after the arrival of his father, Philogano.
Dulippo (dew-LEEP-poh), Erostrato’s servant, who poses as his master to help him in his wooing. He is discovered to be Cleander’s son.
Polynesta (poh-lee-NEHS-tah), a young woman in love with Erostrato.
Damon (DAH-mohn), her father.
Cleander (klee-AHN-dehr), an old doctor of law and the suitor of Polynesta, for whose hand he will give any amount of money. He is constantly fooled by the disguised Dulippo but is made happy when the latter is revealed as his long-lost son. Because he wants to marry only to produce an heir, he gladly relinquishes his suit.
Pasiphilo (pah-see-FEE-loh), a parasite who is always hungry. Sleeping off an attack of indigestion, he overhears Damon confess that he has imprisoned Erostrato and gives this information to Dulippo.
Philogano (fee-loh-GAH-noh), Erostrato’s father, who comes in search of his son. He is dumbfounded to be called, by Dulippo, either an impostor or a madman, and to find a Sienese posing as himself. Dulippo’s confession clears up the confusion.
Balia (BAH-lee-ah), Polynesta’s nurse and accomplice in her love affair with Erostrato.
A Sienese, who poses as Erostrato’s father.