The Last Wave
Starring Richard Chamberlain, Olivia Hamnett, David Gulpilil, Frederick Parslow, Vivean Gray, Athol Compton, Peter Carroll, Walter Amagula, Michael Duffield, Nandjiwarra Amagula
It's a drama and mystery movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Denmark.