Katherine Evelyn Anita "Katie" Cassidy (born November 25, 1986) is an American actress who has performed in The CW TV series Melrose Place, Supernatural, and Gossip Girl, and is considered to be a modern-day Scream queen for her roles in When a Stranger Calls, Black Christmas, A Nightmare on Elm Street and the horror TV series, Harper's Island. Cassidy also starred in Taken, and has roles in the upcoming films Fencewalker and Monte Carlo.
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A Royal Christmas Crush
Ava Jensen
2023
Agent Game
Miller
2022
I Love Us
Laura Fenton
2021
Grace
Dawn Walsh
2018
Cover Versions
Jackie
2018
Vixen: The Movie
Laurel Lance / Black Canary (voice)
2017
Wolves at the Door
Sharon
2016
DC's Legends of Tomorrow
Laurel Lance · (2 episodes)
2016
Vixen
Laurel Lance / Black Canary (voice) · (5 episodes)
2015
The Flash
Laurel Lance / Siren X · (1 episode)
2014
The Flash
Laurel Lance · (1 episode)
2014
The Flash
Laurel Lance / Black Siren · (1 episode)
2014
The Scribbler
Suki
2014
Whose Line Is It Anyway?
Self · (1 episode)
2013
Kill for Me
Amanda Rowe
2013
Arrow
Laurel Lance · (117 episodes)
2012
Arrow
Black Siren · (1 episode)
2012
Arrow
Laurel Lance / Black Canary · (10 episodes)
2012
Arrow
Laurel Lance / Black Siren · (26 episodes)
2012
New Girl
Brooke · (1 episode)
2011
Monte Carlo
Emma
2011
A Nightmare on Elm Street
Kris Fowles
2010
Melrose Place
Eleanor 'Ella' Simms · (18 episodes)
2009
Harper's Island
Trish Wellington · (13 episodes)
2009
Taken
Amanda
2008
Live!
Jewel
2007
Gossip Girl
Juliet Sharp · (12 episodes)
2007
Walk the Talk
Jessie
2007
May All Your Christmases Be Black
Self
2007
Spin
Apple
2007
Black Christmas
Kelli Presley
2006
Click
Samantha at 27 years old
2006
The Lost
Dee Dee
2006
When a Stranger Calls
Tiffany Madison
2006
Bunker
Petra
Speed Demon
Sister Lu
Nanny Cam
Sex, Love & Secrets
Gabrielle · (2 episodes)
2005
Supernatural
Ruby · (6 episodes)
2005
Listen Up!
Rebecca · (1 episode)
2004
The Division
Young Candace 'C.D' DeLorenzo · (1 episode)
2001
7th Heaven
Zoe · (4 episodes)
1996
MADtv
Self · (1 episode)
1995