A Ukrainian woman named Irena calculatedly insinuates herself into the lives of a young, affluent Italian family. Stopping at nothing to become the couple's trusted maid and the beloved nanny to their fragile young daughter, Irena risks everything in her quest to uncover the truth about the family.
| Actor | Role |
|---|---|
 Kseniya RappoportIrena | Irena |
 Michele PlacidoMuffa | Muffa |
 Claudia GeriniValeria Adacher | Valeria Adacher |
 Pierfrancesco FavinoDonato Adacher | Donato Adacher |
| CClara DossenaTea Adacher | Tea Adacher |
 Alessandro HaberMatteo | Matteo |
 Piera Degli EspostiGina | Gina |
 Pino CalabreseGIP | GIP |
 Ángela MolinaLucrezia | Lucrezia |
 Paolo ElmoNello | Nello |
 Gisella MarengoPoliziotta | Poliziotta |
 Nicola Di PintoPubblico Ministero | Pubblico Ministero |
 Margherita BuyAvvocatessa di Irena | Avvocatessa di Irena |
 Giulia Di QuilioSegretaria | Segretaria |
 Gabriella BarbutiInfermiera | Infermiera |
 Simona NobiliPoliziotta | Poliziotta |
| EElisa MorucciCameriera | Cameriera |
 Valeria FloreTea Adulta (non accreditata) | Tea Adulta (non accreditata) |