The Greven Mystery
La Continental : le mystère Greven (original)
Alfred Greven was the head a French movie studio founded with Nazi money producing propaganda and the most subversive masterpieces of French Cinema. Greven's intentional disappearance after the war and his silence until his death in 1973 maintain a certain mystery. To date, no photos or other record of him are available. Yet the 40 films produced by Continental Films remain. Who was he?
Starring Pierre Barillet, Philippe Batel, Pascal Mérigeau
It's a documentary movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Denmark.