The Seas Beneath
Starring George O’Brien, Marion Lessing, Mona Maris, Walter C. Kelly, Warren Hymer, Steve Pendleton, Walter McGrail, Larry Kent, Henry Victor, John Loder
It's a action & adventure and drama movie, and has a rating of 5.8 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Germany.