Europa Europa
A Jewish boy separated from his family in the early days of WWII poses as a German orphan and is taken into the heart of the Nazi world as a 'war hero' and eventually becomes a Hitler Youth.
Starring Marco Hofschneider, Julie Delpy, René Hofschneider, Piotr Kozłowski, André Wilms, Andrzej Mastalerz, Hanns Zischler, Ashley Wanninger, Solomon Perel, Klaus Abramowsky
Watch "Europa Europa" from streaming services MAX, Criterion Channel released in 1990. It's a drama and history movie, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of movie.