Vanina Vanini
Pietro Missirilli
Contessa Vitelleschi
Asdrubale Vanini
Clelia
cardinal Savelli
confessore di Vanina
serva dell'albergo
Saverio Pontini
cardinale
cardinal Rivarola
principe Livio Savelli
monsignor Benini
castrato
boia
Vanina Vanini, a bored, spoiled Roman countess, falls in love with a dedicated young patriot who is in Rome to assassinate a traitor to the brotherhood of the Carboneria.