[1] Some professional actors were also present, to a much lesser extent and in very small roles; among them were Davide Pulici, Manlio Gomarasca and Franca Gonella.

[2] According to a review of the film, Lado explained in an interview that he had drawn inspiration for the story from the many cases of young girls who had disappeared in the region of Milan without leaving a trace, and that, the media treatment of such cases focused on the parents of the children, while he had wanted to focus on the victim and her experience.

[4] An Italian DVD version was released in 2014, with a new subtitle, Il notturno di Chopin: Prigionera del Tempo[5] (lit.

ll notturno di Chopin received mostly very positive reviews, some considering it one of Lado's major works.

[6] It has been described as "an object of art",[1] experimental and intimist -most reviews concurring the film is for instance neither a thriller nor a giallo.