Castle in the Air
Starring David Tomlinson, Helen Cherry, Margaret Rutherford, Barbara Kelly, Patricia Dainton, Ewan Roberts, Brian Oulton, John Harvey, A.E. Matthews
It's a comedy and drama movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.