Born on July 15, 1932, in Denmark, she gained prominence as a singer before transitioning to acting. She rose to fame as part of the singing duo Nina & Frederik with her then-husband. She later embarked on an acting career, notably appearing in several films directed by Robert Altman, including "The Long Goodbye" (1973). Her elegant presence and distinctive voice made her a memorable figure in the film industry. Additionally, her personal life attracted media attention, particularly her association with Clifford Irving.