Hannu Halonen was born on September 25, 1922 in Mikkeli, Finland as Hannu Olavi Halonen. He was an actor and composer, known for Mies tältä tähdeltä (1958), Pekka ja Pätkä neekereinä (1960) and Kaks' tavallista Lahtista (1960). He was married to Ritva Kyllikki Kuusinen and Tuija Halonen. He died on March 7, 1974.