Scarlett began her acting career in 2008 as Chloe Daniels in an episode of the British TV drama Doctors. Her career took off in 2009 when she landed the role of Pansy Parkinson for Harry Potter and the Half-Blood Prince, Harry Potter and the Deathly Hallows Part I, and Harry Potter and the Deathly Hallows Part II. Since then she has appeared in several short videos written by fellow Potter star Jessie Cave, and most recently appeared on the sci-fi television show, Falling Skies. Her next project is the action-thriller Skybound, which is scheduled to be released this year.