Knight Without Armour
Starring Marlene Dietrich, Robert Donat, Irene Vanbrugh, Herbert Lomas, Austin Trevor, Basil Gill, David Tree, John Clements, Frederick Culley, Laurence Hanray
It's a action & adventure and history movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Austria.