Hammerhead
Starring Vince Edwards, Judy Geeson, Peter Vaughan, Diana Dors, Michael Bates, Beverly Adams, Patrick Cargill, Patrick Holt, William Mervyn, Douglas Wilmer
It's a drama and science-fiction movie, and has a rating of 5.1 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Italy.