Mimi Ndiweni is a British actress. She started her acting career in the 2010s, debuting in the 2015 film Cinderella. The following year, she had roles in the films The Legend of Tarzan and The Last Dragonslayer. During this period, she also became known for her role as Tilly Brockless in 8 episodes of the TV series Mr Selfridge. Later, she had appearances in the TV shows Doctor Who, Rellik, and Black Earth Rising. She also played the role of Kelly in the sitcom Yonderland. This year, she portrayed the role of Fringilla in the Netflix series The Witcher.