Holliday Clark Grainger (born 27 March 1988) is an English actress. Her TV roles include Lucrezia Borgia in the Showtime series "The Borgias" (2011–13), Bonnie Parker in "Bonnie & Clyde" (2013), Robin Ellacott in "Strike" (2017–present) and DI Rachel Carey in "The Capture" (2019). Her movie roles include "Great Expectations" (2012), "Cinderella" (2015), "The Finest Hours" (2016) and "Tulip Fever" (2017).