Parade's End
Starring Benedict Cumberbatch, Rebecca Hall, Adelaide Clemens, Miranda Richardson, Freddie Fox, Janet McTeer, Ned Dennehy, Alan Howard, Rupert Everett, Stephen Graham
It's a documentary and drama movie, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.