Buck Rogers
Starring Buster Crabbe, Constance Moore, Jackie Moran, Anthony Warde, C. Montague Shaw, William Gould, Philson Ahn, Guy Usher, Henry Brandon, Wheeler Oakman
It's a family and fantasy 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 Switzerland.