The real Ilaria Cucchi, Stefano's sister, called Alessandro Borghi after seeing the movie and told him "I don't know how you did it but you're just like him."
Alessandro Borghi lost 18 kg (39 pounds) for this role.
In Italy, the movie was released on the same day (12 September 2018) in both theaters and internet.
In April 2022 the two policeman who have beaten Stefano have been sentenced 8 years of prison