During an outdoor scene on the bank of a stream near Viterbo, in which some actresses (including Ely Galleani and Ulla Johannsen) were completely naked, a crowd of onlookers had gathered causing a traffic jam, so much so that soon after the police had to intervene which led the actresses to the police station, only to be released shortly after.
Jodie Foster's voice is dubbed into Italian by another actress.
Italian censorship visa # 70779 delivered on 10-9-1977.
Many great actors of the period appear in the film. The producer Mauro Berardi explained that it was the recent death of Pier Paolo Pasolini (of whom director Sergio Citti was a great friend) that prompted them to join, accepting among other things a very low cachet.
In 2005, on the occasion of the death of director Sergio Citti, Jodie Foster spoke to Italian newspapers about her experience with him on this film: "I remember him as a sunny person. Someone who always smiled and sang a lot. He loved to sing. I was 15 when we shot Casotto and he, like all of you Italians, did strange things while he was shooting: he gesticulated, he shouted. Above all, he gave me directions, he talked a lot, when the camera was already rolling and I, desperate, was trying in vain to concentrate on my character, on what I had to do".