The interiors shown in the film are almost entirely those of the apartment once belonged to Italian Postmodern artist Mario Schifano. Some of his paintings can be seen hanging on the walls of the house. The kitchen scenes were shot into a country villa belonged to actor Ugo Tognazzi, good friend with director Marco Ferreri and frequently cast in his films.
Glauco's wife is played by Italian model and Rolling Stones groupie Anita Pallenberg, at the time former girlfriend of painter Mario Schifano and partner of Keith Richards.
The song "La Luce Accesa" by Teo Usuelli, that is heard in the movie, is sung by Lucio Dalla.
This film is part of the Criterion Collection, spine #506.
Italian censorship visa # 52905 delivered on 17-12-1968.