The Last Hope: U-Boat 864
Am Ende die Hoffnung (original)
Starring Yvonne Catterfeld, Stephan Luca, Maximilian von Pufendorf, Rosemarie Fendel, Marie Zielcke, Katrin Pollitt, Dirk Borchardt, Karl Kranzkowski, Jytte-Merle Böhrnsen, Eva-Maria Kurz
It's a drama and history movie, and has a rating of 5.7 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Italy.