Katie Cassidy Rights: Heroes & Villains, CC BY-SA 2.0, through Wikimedia Commons. Actor or Actress (27) A Royal Christmas Crush (2023) Agent Game (2022) Grace (2018) Cover Versions (2018) Vixen: The Movie (2017) Wolves at the Door (2016) DC's Legends of Tomorrow (2016) Vixen (2015) The Flash (2014) The Scribbler (2014) Kill for Me (2013) Arrow (2012) New Girl (2011) Monte Carlo (2011) A Nightmare on Elm Street (2010) Melrose Place (2009) Harper's Island (2009) Taken (2008) Gossip Girl (2007) You Are Here (2007) Live! (2007) Black Christmas (2006) Click (2006) The Lost (2006) When a Stranger Calls (2006) Supernatural (2005) 7th Heaven (1996) Director (1) Arrow (2012)