One on Top of the Other
Una sull'altra (original)
Una estafa al seguro provoca que un hombre acabe en el corredor de la muerte por asesinar a su esposa. Lo que nadie sabe es si ella está realmente muerta...
Starring Jean Sorel, Marisa Mell, Elsa Martinelli, Alberto de Mendoza, John Ireland, Riccardo Cucciolla, Franco Balducci, Bill Vanders, Giuseppe Addobbati, Félix Dafauce
It's a mystery and thriller movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Spain.