Born in London, she began her career as a teenager hosting a children's television show. She transitioned to film and gained recognition for her roles in "Metro," "The Brave One," and "Selma," where she portrayed Coretta Scott King. She is known for her versatility across genres and her work in the "Fantastic Beasts" series. Her performances often highlight her ability to embody complex characters. She has also ventured into music, contributing to various soundtracks.