In the 1990s and 2000s, Mariel pivoted away from traditional Hollywood stardom toward a life focused on holistic health and mental health advocacy. This shift was largely a response to her family's history—she lost her sister Margaux to suicide in 1996, the fifth such tragedy in four generations of Hemingways.

While there is no prominent figure specifically named , it is highly likely you are referring to the celebrated actress and author Mariel Hemingway (Ernest Hemingway’s granddaughter) or potentially her sister, the late supermodel Margaux Hemingway .

She continued to take bold roles in the early 80s, including playing a competitive athlete in Personal Best (1982) and portraying the tragic Dorothy Stratten in Bob Fosse’s Star 80 (1983). A Shift to Wellness and Advocacy

She has become a prolific author and speaker on these topics:

Her breakout role came in 1979 as Tracy in Woody Allen’s Manhattan , for which she earned an Academy Award nomination for Best Supporting Actress at age 18.