Marsha Mason (born April 3, 1942) is a Golden Globe Award-winning, Academy Award-nominated American actress and television director.
Mason was born in St. Louis, Missouri, to Edward Marion Mason, Jr., and his wife Catharine Kentwood-Mason. She has a younger sister, Linda (b. 1943). She grew up on Elmont Lane in Crestwood, MO. Mason is a graduate of Nerinx Hall High School and Webster College, both in Webster Groves, MO.
She was married to playwright and screenwriter Neil Simon, and starred in several movies based on his writings, including The Goodbye Girl, Chapter Two, Only When I Laugh, The Cheap Detective, and Max Dugan Returns. Chapter Two (1979) was based on her relationship with Simon up to their marriage. They divorced in 1984.