[**Europa Europa** / **Hitlerjunge Salomon**][1]

> 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.

This one is historical, funny, improbable (though apparently based on a true story) and most of the dialogue is fairly clear.

There's some Russian dialogue in there too.

  [1]: http://www.imdb.com/title/tt0099776/