Born in Naples, the daughter of a doctor and a teacher, Dell'Anna grew up between Castel Volturno and Giugliano in Campania. She studied at the Drama Studio London and the Guildhall School of Music and Drama. After some minor roles, Dell'Anna had her breakout in 2012, when she played the twins Micaela e Manuela Cirillo in the Rai 3 soap opera Un posto al sole. In 2015 she landed her best known role, Patrizia Santore in the crime series Gomorrah. For her performance in Mario Martone's The King of Laughter, she got a David di Donatello nomination for Best Supporting Actress. She plays the lead role of Mother Cabrini in the 2024 film Cabrini, getting more exposure to English-speaking audiences.

Filmography

• A Taste for Murder — PI Lara Sarrancino
• 2026Three Infallible Rules — Claudia
• 2025C'è un posto nel mondo — Anna Santi
• My Family — Maria
• 2024A Dark Story — PM
• 2024Cabrini — Francesca Cabrini
• 2024La coda del diavolo — Fabiana Lai
• 2023Mixed by Erry — Marisa Frattasio
• 2022Flowing — Cristina
• 2022Toscana — Sophia
• 2021The Hand of God — Sorella Armando
• 2021The King of Laughter — Luisa De Filippo
• 2019Tensione superficiale — Michela
• 2018On Your Tiptoes — Nunzia
• 2018Rocco Chinnici: May Your Kiss Lie Lightly on My Head — Caterina Chinnici
• Trust — Lucia
• 2017Mister Happiness — Caterina De Simone
• Gomorrah — Patrizia Santoro
• 2013Third Contact — Theresa
• 2010Moths — Sophie
• La Fabbrica delle storie. Follonica 1842-2023
• Solo se canti tu - L'irresistibile storia di Gigi D'Alessio — Madre di Gigi D'Alessio
• The Panic — Belle DeCosta Greene

Appearances as themselves (1)

• Made in Hollywood — Self