Margaretha Krook was born on October 15, 1925 in Stockholm, Stockholms län, Sweden as Margaretha Knutsdotter Krook. She was an actress, known for Persona (1966), Picassos äventyr (1978) and Morrhår & ärtor (1986). She was married to Stig Hammar. She died on May 7, 2001 in Stockholm.