Margaretha Krook was born on 15 October 1925 in Stockholm, Stockholms län, Sweden. She was an actress, known for Persona (1966), Släpp fångarne loss - det är vår! (1975) and Picassos äventyr (1978). She was married to Stig Hammar. She died on 7 May 2001 in Stockholm, Stockholms län, Sweden.