Lasse Mårtenson was born on September 24, 1934 in Helsinki, Finland. He was a composer and actor, known for Hot Cat? (1968), Harjunpää and the Persecutors (1993) and Rampe & Naukkis - Kaikkien aikojen superpari (1990). He was married to Sari Angervo, Anna-Liisa Ehrnrooth, Siw Malmkvist and Carita Wilhelmsson. He died on May 14, 2016 in Espoo, Finland.