Unter der Sonne von Rom
Sotto il sole di Roma (original)
Starring Oscar Blando, Liliana Mancini, Francesco Golisano, Ennio Fabeni, Alfredo Locatelli, Gaetano Chiurazzi, Anselmo Di Biagio, Ferruccio Tozzi, Maria Tozzi, Giuseppina Fava
It's a drama and comedy movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.