Holliday Clark Grainger, also credited as Holly Grainger, is an English screen and stage actress. Some of her prominent roles are Kate Beckett in the BAFTA award-winning children's series Roger and the Rottentrolls, Lucrezia Borgia in the Showtime series The Borgias, Robin Ellacott in the Strike series, DI/DCI Rachel Carey in the Peacock/BBC One crime drama The Capture, and Estella in Mike Newell's 2012 film adaptation of Charles Dickens' 1861 novel Great Expectations. From Wikipedia