Nanni Moretti's wife, son, and mother appear as themselves.
Claire Denis saw the film before she began shooting Beau Travail. She had written the script two years earlier, but she had had a lot of difficulty making it. So according to herself, Aprile gave her courage at a time when she was a little lost and sad; it gave her the strength to continue.
Daniele Luchetti, who shoots an ad in the film, is an Italian film director, screenwriter and actor. He debuted as assistant director for Nanni Moretti in Bianca (1983) and The Mass Is Ended (1985).
The film chronicles 2 and a half years.
Umberto Bossi, whom Moretti interviews as Bossi preparing to leave Rome, is an Italian politician, former leader of the Lega Nord ("Northern League"), a party seeking autonomy or independence for Northern Italy or Padania.