Doppelganger
Starring Drew Barrymore, George Newbern, Leslie Hope, Dennis Christopher, George Maharis, Dan Shor, Peter Dobson, Sally Kellerman, Carl Bressler, Stanley DeSantis
It's a mystery and horror movie, and has a rating of 4.4 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from Italy.