The Captive Heart
Starring Michael Redgrave, Rachel Kempson, Frederick Leister, Mervyn Johns, Rachel Thomas, Jack Warner, Gladys Henson, James Harcourt, Gordon Jackson, Elliott Mason
It's a drama and war movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.