Sadie Miller (born 25 February 1985) is a British actress. She's the daughter of Brian Miller and Elisabeth Sladen.
She is most known for playing Natalie Redfern, a character in the Sarah Jane Smith audio series. She also appeared in the special Thirty Years in the TARDIS at a very young age. wearing a miniature replica of her mother's so-called "Andy Pandy" overalls from The Hand of Fear and Dimensions in Time.