Alli Häjänen was born on September 9, 1909 in Jalasjärvi, Finland. She is known for her work on Pohjanmaa (1988), Myöhäinen tapaaminen (1968) and Jälkeen syntiinlankeemuksen (1953). She was married to Jussi Piironen. She died on December 18, 1993 in Helsinki, Finland.