Fast Facts

  • Was a member of competitive cheerleading team the California Flyers.
  • Attempted to launch a pop singing career in 2002 with a cover of The Partridge Family's 1970 smash "I Think I Love You."
  • Modeled for clothing retailer Abercrombie & Fitch and in runway shows before moving into acting.
  • Made her big-screen debut in the 2006 horror remake When a Stranger Calls.
  • Had guest arcs on the CW's Supernatural and Gossip Girl before landing leading roles on the network's Melrose Place and Arrow.
  • Involved in H.E.L.P. Malawi, and created the Katie Cassidy and Friends Garden when she went to visit the country.


  • Dana Brunetti — Ex-significant Other
  • Jack Cassidy — Grandfather
  • Ryan Cassidy — Uncle
  • Sue Shifrin — Stepmother
  • Jesse McCartney — Ex-significant Other
  • Patrick Cassidy — Uncle
  • Shaun Cassidy — Uncle
  • Beau Devin Cassidy — Half Brother
  • David Cassidy — Father
  • Richard Benedon — Stepfather
  • Evelyn Ward — Grandmother
  • Sherry Benedon — Mother

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  • Birth Name: Katherine Evelyn Cassidy
  • Birth Place: Los Angeles, California, United States
  • Profession: Actor, Model, Singer

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