Born in Tokyo to Norwegian parents, she grew up in Trondheim, Norway. She gained international fame as a muse and collaborator of director Ingmar Bergman, starring in films such as "Persona" and "Cries and Whispers." Renowned for her emotive performances, she became a prominent figure in European cinema. Her career expanded to directing, with credits including "Sofie" and "Faithless." She is also an acclaimed author and humanitarian, serving as a UNICEF Goodwill Ambassador.