Kaley Cuoco is an American film and television actress and singer. She is best known for her roles as Bridget Hennessy on the sitcom 8 Simple Rules, Billie Jenkins on the supernatural drama Charmed, and Penny on the sitcom The Big Bang Theory.
Sydney is a teenage girl navigating the trials and tribulations of high school while dealing with the complexities of her family, her budding sexuality, and mysterious superpowers just beginning to awaken deep within her.