Penelope Mitchell is an Australian actress from Melbourne, Australia.
Her mother is French-born and her father is Australian. Penelope is fluent in French, and she studied ballet from age 4 to 16. She is a cousin of actress Radha Mitchell. She began acting a few years before she landed her role on Hemlock Grove, appearing on shows including Toon Time, an Australian kids show, the ABC (Australia) show Next Stop Hollywood, which followed six Australian actors (including Penelope) who move to Hollywood to audition for pilots, and an episode of Australian police drama Rush.
Penelope is known for playing the role of Letha Godfrey on the American horror television series Hemlock Grove. She can currently be seen playing the role of Liv Parker on the CW TV Series The Vampire Diaries.