Mrs. Chaplin is the stage name of Oona O'Neill, an American actress and the fourth wife of Charlie Chaplin. She was born in 1925 and began her acting career in 1943. Her first major role was in the film Limelight, which was released in 1952. She went on to appear in several other films, including The Great Gatsby and The Misfits. She was nominated for an Academy Award for Best Supporting Actress for her performance in The Misfits. She passed away in 1991 at the age of 66.