Rio Diaz was born on August 14, 1959 in the Philippines as Rosario Diaz. She was an actress, known for Sisingilin ko ng dugo (1990), Sam & Miguel (Your basura, no problema) (1992) and Tunay na magkaibigan, walang iwanan... peksman (1994). She died on October 4, 2004 in Daly City, California, USA.