VERMANDERO, father to Beatrice
TOMAZO de Piracquo, a noble lord
ALONZO de Piracquo, his brother, suitor to Beatrice
ALSEMERO, a nobleman, afterwards married to Beatrice
JASPERINO, his friend
ALIBIUS, a jealous doctor
LOLLIO, his man
PEDRO, friend to Antonio
ANTONIO, the changeling
FRANCISCUS, the counterfeit madman
DEFLORES, servant to Vermandero
MADMEN
[Two] SERVANTS [to Alsemero]
[A SERVANT to Vermandero]
BEATRICE [Joanna], daughter to Vermandero
DIAPHANTA, her waiting woman
ISABELLA, wife to Alibius
The Scene: Alicant