Kosti Klemelä's life commenced on February 29, 1920, in the picturesque village of Metsämaa, situated within the borders of Finland. As a renowned actor, he left an indelible mark on the world of cinema, with his most notable roles including The Unknown Soldier, a 1955 film that continues to captivate audiences to this day, as well as Sodan ja rauhan miehet, a 1978 production that showcased his exceptional acting prowess, and Paljon melua tyhjästä, a 1961 film that further solidified his reputation as a master of his craft.
Kosti Klemelä's remarkable journey on this earth came to a close on November 26, 2006, in the vibrant city of Helsinki, Finland, where he had spent the latter years of his life.