Karl Kustav Kalkun (April 9, 1927 Tartu – February 21, 1990 Tallinn) was an Estonian actor. Karl Kalkun was born in Tartu as one of three children to. Karl Kalkun Sr., a stage manager of the Vanemuine theatre, and Emma Helene Kalkun (née Engelbär). He was the nephew of discus and hammer thrower Gustav Kalkun. In 1946, he graduated from secondary school at Tartu Secondary School No. 1 (now, the Hugo