Main •
Matilda De Angelis as
Lidia Poët (seasons 1–3): the first female lawyer in Italy, disbarred because the Torinese Court of Appeals determines that women are not qualified to practice law. She helps her brother Enrico with his cases and works on an appeal to overturn her disbarment. • Mia McGovern Zaini as young Lidia •
Eduardo Scarpetta as Jacopo Barberis (seasons 1–3): a journalist and a rebel spirit of socialist ideas; his sister Teresa married Enrico Poët. • Pier Luigi Pasino as Enrico Poët (seasons 1–3): Lidia's brother, a lawyer who initially does not support Lidia's progressive ideas. • Sinéad Thornhill as Marianna Poët (seasons 1–2; guest season 3): Teresa and Enrico's daughter and Lidia and Jacopo's niece; she admires Lidia for her courage and free will. • as Teresa Poët née Barberis (seasons 1–3): Enrico's conservative wife who does not approve of Lidia's ideas. •
Dario Aita as Andrea Caracciolo (season 1; guest season 2): a trader and Lidia's lover who insists that she follow him to America where she will be free to practice law. • as Pierluigi Fourneau (seasons 2–3): Turin's new Attorney General and Lidia's new love interest.
Recurring • Alessia Spinelli as Albertina (seasons 1–2): the Poëts' handmaid. • Aldo Ottobrino as Judge Genovesi (season 1): a judge in Turin's court. • Francesco Biscione as the King's Prosecutor (season 2): the public prosecutor in Turin's court. • Jacopo Crovella as Attila Brusaferro (season 1; guest season 2): a journalist working with Jacopo at the
Gazzetta Piemontese. • Camille Dugay as Nicole (season 1): Jacopo's ex-lover and a French anarchist on the run. • Alessandro Federico as Lidia and Enrico's father (season 1). • Olga Rossi as Lidia and Enrico's mother (season 1). • Matteo De Mojana as the medical examiner (seasons 1–2). • Sebastiano Fumagalli as Lorenzo Manera (season 1; guest season 2): the Poëts' gardener and Marianna's secret boyfriend. • Fabrizio Odetto as the prison guard (season 1): a military working as a prison guard at Le Nuove. • Roberta Mengozzi as Maya Cristallo alias Giorgia Villa (season 1): a prostitute and undercover spy working for General Valery against the anarchist movement. •
Paolo Briguglia as Filippo Cravero (season 2): a senator who supports Lidia's progressive ideas. •
Valentina Cervi as Anna Cravero (season 2): Sen. Cravero's wife, Lidia's friend and herself an activist for women's right to vote. • Andrea Palma as Cesare Brusaferro (season 2): Attila's stepbrother. • Mario Pirrello as Antonio Juvarra (season 2): the director of the Bank of Turin. • Francesco Cavallo as Paolo Marchisio Savoldi Silioli, Duke of Belgiojoso (season 2): Marianna's new love interest. •
Andrea Bruschi as Duke Alfonso (season 2): Paolo's father • Magdalena Grochowska as Duchess Maria Vittoria Marchisio Savoldi Silioli of Belgiojoso (season 2): Paolo's mother, who is a first cousin of Queen
Margherita of Savoy. • Francesco Ferdinandi as Mario Garrone (season 2): a hitman hired by the conjurers. ==Episodes==