Kalle Viherpuu was born on June 5, 1893 in Iisalmi, Finland as Kalle Pekka Grönfors. He was an actor, known for Isäntä soittaa hanuria (1949), On lautalla pienoinen kahvila (1952) and Tukkijoella (1951). He was married to Irja Viherpuu. He died on March 23, 1952 in Helsinki, Finland.