The giant glass was really filled with chocolate cream (several liters of it!). After the shots were taken, cast and crew promptly proceeded to empty it.
The school psychologist is played by Luigi Moretti, Nanni's father.
A recurrent theme of Moretti's films, the Sacher torte, is present in the film.
In the Marilyn Monroe school, the traditional portraits of the President of the Italian Republic in the rooms are replaced by that of football goalkeeper Dino Zoff.
"Michele Apicella" is the nom-de-plume used by Nanni Moretti for his roles in all his films (except The Mass Is Ended (1985)) until Palombella rossa of 1989.