Guyana: Crime of the Century
Starring Stuart Whitman, John Ireland, Joseph Cotten, Bradford Dillman, Gene Barry, Jennifer Ashley, Yvonne De Carlo, Nadiuska, Tony Young, Robert DoQui
It's a drama and thriller movie, and has a rating of 5.4 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Italy.