Costanza diquattro (Ragusa 1986) is a writer and playwright. She has been directing the theatre since 2008. Since 2019 she has been writing for the theatre. He leads the section «Dimore nella storia» on Italian historic houses for Rai 1. With Baldini+Castoldi he has published La mia casa di Montalbano (2019), Donnafugata (2020, Premio Porta d’Oriente 2021), Giuditta e il monsù (2021) and Arrocco siciliano (2022, Comisso Prize 2023)