Olin, the youngest of three children, was born in Stockholm, Sweden, the daughter of Britta Alice (née Holmberg), an actress and singer, and Stig Olin, a director, singer, composer, and an actor who appeared in several of Ingmar Bergman's films. Her brother is the Swedish singer Mats Olin. She was a top student and graduated with a 4.9 average in her graduation scores (with the highest in Sweden Read more...

It was Ingmar Bergman who had cast her for the first time (in a small part in Face to Face), after she had not passed her first audition for theatre school because of her shyness. Later she acted at the national stage in Stockholm in several productions directed by Bergman, and with Bergman's production of King Lear (in which Olin played Cordelia) she toured national theatres in Paris, Berlin, Copenhagen, Read more...

In 1986 she gave birth to her first child, son August Ramberg. His father was fellow Swedish actor Örjan Ramberg, with whom she had lived for several years (since the 1970s) and acted opposite on stage in many productions. The relationship ended in the late 1980s. In 1994, she married film director Lasse Hallström (whom she met in 1992 back in Sweden). They lived together for two years before Read more...