Cagliostro
Starring Bekim Fehmiu, Curd Jürgens, Ida Galli, Anna Orso, Luigi Pistilli, Adolfo Lastretti, Luigi Montini, Rosanna Schiaffino, Alessandro Haber, Gaby Verusky
It's a drama and thriller movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.