Are Ernest Hemingway and Mariel Hemingway related? Updated: Apr 6 2021, 8:30 ET MARIEL Hemingway has been a star of the silver screen since her 1979 Oscar nomination for her role in the Woody Allen-directed Manhattan. Despite her accolades and decades of on-screen success, many are unaware of her famous family history. 3 Who is Mariel Hemingway? Mariel Hemingway is an American actress that has over 40 years worth of experience in cinema, stemming all the way back to her first breakout role Lipstick, in 1976. Mariel has received multiple award nominations, including recognition from the Academy and BAFTA after her performance in Woody Allen's 1979 flick Manhattan.