The film is loosely based on real life events of Marianna de Leyva, better known as "The Nun of Monza," whose story was made famous by the Alessandro Manzoni's novel The Betrothed.
| Actor | Role |
|---|---|
 Giovanna MezzogiornoVirginia Maria de Leyva | Virginia Maria de Leyva |
 Lluís HomarPare Castells | Pare Castells |
 Quim GutiérrezCarles | Carles |
 Delia BoccardoMadre | Madre |
 Xabier ElorriagaCardenal Borromeo | Cardenal Borromeo |
 Toni BertorelliDon Martín | Don Martín |
 Pia LanciottiMadre Abadesa | Madre Abadesa |
 Stefano DionisiPaolo Osio | Paolo Osio |
 Bea SeguraClara | Clara |
 Biancamaria D'AmatoBenedetta | Benedetta |