Mamie Gummer is an American actress born on August 3, 1983, in New York City. She is the daughter of renowned actress Meryl Streep and sculptor Don Gummer. Mamie studied at Vassar College and later graduated from Northwestern University with a degree in theater. Gummer is known for her roles in television and film, including her performance in the series The Good Wife and the movie Ricki and the Flash, where she starred alongside her mother. She has also appeared in various stage productions, showcasing her talent in both dramatic and comedic roles.