Broken Trail: The Making of a Legendary Western
Starring Robert Duvall, Thomas Haden Church, Walter Hill, Alan Geoffrion, Greta Scacchi, Scott Cooper, Olivia Cheng, Gwendoline Yeo, Chris Mulkey, Allan Graf
It's a documentary and western movie, and has a rating of 7.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.