She appeared with Jack Nicholson in Easy Rider and Five Easy Pieces. In 1974, she played roles in The Great Gatsby and Airport.
She entered Northwestern University at the age of fifteen.
She appeared in the 1975 film Trilogy of Terror.
She was married to Charles Black from 1955 to 1962, Robert Burton from 1973 to 1974, L.M. Kit Carson from 1975 to 1983 and Stephen Eckelberry from 1987 until her death in 2013. She had two daughters named Diane and Celine and a son named Hunter.
She collaborated with Alfred Hitchcock in his last film, Family Plot.