Katherine Evelyn Anita “Katie” Cassidy (born November 25, 1986) is an American actress who has performed in The CW TV series Melrose Place, Supernatural, Harper’s Island, and Gossip Girl, and on the films When a Stranger Calls, Black Christmas, A Nightmare on Elm Street, Taken, Monte Carlo, and has roles in the upcoming film Fencewalker. Cassidy’s paternal grandparents were actors Jack Cassidy and Evelyn Ward. She has two older half-sisters, Jenna and Jamie, and a younger half-brother, Beau Cassidy. She played Kris Fowles, friend to lead character Nancy Holbrook (Rooney Mara) and victim of Freddy Krueger. Filming began in Chicago and was released April 30, 2010. Cassidy has been cast in the upcoming romantic comedy Monte Carlo which was filmed in in Monaco, Budapest and Paris. in June 2010, Cassidy landed a recurring role as the primary antagonist Juliet Sharp in the fourth season of Gossip Girl. Her first appearance was in the season 4 premiere and has appeared in 11 episodes to date.
