Biography:
Cassidy was born in Los Angeles, California, the illegitimate daughter of '70s pop idol David Cassidy and former model Sherry Benedon; the two had an "on-again, off-again" relationship during the 1970's-1980s, resulting in Katie's birth, 15 years after first meeting. 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 now has a close relationship with her real father, David. She has two older sisters, Jenna and Jaime. As a child, Cassidy took to tumbling and eventually became a cheerleader for the California Flyers, a competitive team. She cheered as a freshman for Calabasas High School where she attended classes and graduated in 2005. As a child, Cassidy became interested in show business.


Career

Cassidy started community theater when she was in elementary school. She modeled for Abercrombie and Fitch and Rock and Republic's line in 2004. Modeling helped open the door to Cassidy's acting career. Her mother, Sherry, would not allow Katie to act professionally until completing her high school education. After high school Katie was planning to attend NYU's Tisch School of Performing Arts, but landed a number of jobs, including a recurring role as Zoë on 7th Heaven. Following that, she guest starred in the one-hour drama, Sex, Love & Secrets but the series was canceled after a few episodes. Her 2006 projects included a small role in the horror remake When a Stranger Calls and Click with Adam Sandler. She has also starred in another horror remake, the murderous Christmas classic Black Christmas. She has several films listed on Imdb she has worked on waiting for release.

She was filming scenes at a college for the movie Revenge of the Nerds but production was halted when Agnes Scott College backed out of its agreement. It eventually stopped the filming and production and the movie has been cancelled. She completed filming in Paris where Katie worked on a film called "Taken" with Liam Neeson and Maggie Grace. She is scheduled to star in the remake of the hit television series Dallas as Lucy Ewing beating out Lindsay Lohan and Jessica Simpson. Filming for Dallas is scheduled to begin sometime in 2008. Cassidy has also landed a leading role on The CW supernatural television drama, Supernatural. She is currently filming Supernatural in Canada until April 2008.

Personal Life

Cassidy was cited in Tucson, Arizona on October 30, 2007 for a Minor in Possession of Alcohol and presenting a false identity to law enforcement officers. She had a reported blood alcohol content of 0.16, twice the legal limit. Cassidy gave the name and birth date of actress Taylor Cole, but gave an incorrect age for the birth date given. She is due in court on December 18, 2007.