Fraulein
Fräulein (original)
Starring Dana Wynter, Mel Ferrer, Dolores Michaels, Theodore Bikel, Margaret Hayes, Luis van Rooten, Helmut Dantine, James Edwards, Herbert Berghof, Jack Kruschen
It's a drama and war movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.