Pia Hattara was born on April 9, 1923 in Sääksmäki, Finland as Pia Lea Kaarina Helenius. She was an actress, known for Seitsemän veljestä (1979), Tähdet kertovat, komisario Palmu. (1962) and Kaasua, komisario Palmu! (1961). She was married to Pentti Irjala. She died on July 2, 2015 in Helsinki, Finland.