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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 was born in Los Angeles, the daughter of actor David Cassidy and model Sherry Williams, who first met and dated in early 1970. Sherry and David separated but remained close friends. Cassidy's paternal grandparents were actors Jack Cassidy and... MORE

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 was born in Los Angeles, the daughter of actor David Cassidy and model Sherry Williams, who first met and dated in early 1970. Sherry and David separated but remained close friends. Cassidy's paternal grandparents were actors Jack Cassidy and Evelyn Ward. She grew up in Calabasas, California with her mother and stepfather, Richard Benedon, an ER physician. She has two older half-sisters, Jenna and Jamie, and a younger half-brother, Beau Cassidy. As a child, Cassidy took to tumbling, competing and eventually became a cheerleader for the California Flyers, a competitive team. She cheered as a freshman for Calabasas High School where she attended high school and graduated with honors in 2005. While in elementary school, Cassidy became interested in show business and participated in several community theatre productions beginning at the age of LESS