Knud Heglund was born on July 10, 1894 in Copenhagen, Denmark as Knud Lars Valdemar Heglund. He was an actor, known for Kristiane af Marstal (1956), De pokkers unger (1947) and Den gamle mølle paa Mols (1953). He was married to Lili Heglund. He died on September 1, 1960 in Gentofte, Denmark.