Just to start with, Accattone was not filmed in Naples but in Rome. Someone might have brought to that understanding by some Neapolitans gangsters that appear at some point in the movie As for the "ruins" that scatter the landscape, they are mostly buildings that will soon replace the barracks such as the one in which Accattone lives, or the Acquedotto Felice, an ancient Roman aqueduct that runs close to Prenestina and Casilina, two Roman suburbs, that you can see in Mamma Roma as well. Franco Citti, the character of Accattone, perfectly embodies the roman lumpenproletariat of the time: idle, fatalistic and desperate. Pasolini met Franco's brother Sergio, a plasterer, hanging around Cinecittà in 1951. He introduced him to his brother Franco that became Pasolini's dialectical adviser for Accattone, Mamma Roma and his book "Ragazzi di vita"; his "living vocabulary" as he called him. Indeed, Pasolini interests for dialects and slangs (Roman is not really a dialect anymore but a slang) was not disappointed. The dialogues between the characters are full of fantasy: rude and in some way reminiscent of their peasant past. A must see if you're interested in Neorealism and in the "ways of the underworld lumpenproletariat". Someone connected this movie with Bunuel's "Los Olvidados". I definitely agree.
