Join or Sign In

Continue with Facebook Continue with email

By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

Katie Cassidy

Birth Name:

Katherine Evelyn Cassidy

Birth Place:

Los Angeles, California, United States

Profession

Actor, model, singer

Credits See All

Arrow

Dinah "Laurel" Lance

The Flash

Black Canary

Whose Line Is It Anyway?

Latest News See All

Arrow's Katherine McNamara Breaks Down Mia's Emotional Trauma and That JJ Cliffhanger

Is a love triangle in store for us?

Wed, Jan 22, 2020

You Won't Believe Who Mia's Engaged to in This Arrow Sneak Peek

Plus, look who's alive and kicking again!

Tue, Jan 21, 2020

Arrow's Kat McNamara Previews a Brand New Mia Smoak in Her Spin-Off's Backdoor Pilot

"I think it's gonna surprise a lot of people," McNamara said

Fri, Jan 17, 2020

Brace Yourself for Arrow Stars' Touching Photos From Last Days on Set

Prepare to cry, Arrow fans

Thu, Nov 14, 2019

Arrow Finale: Not Everyone Survived the Finale

Talk about a dark way to end a season...

Fri, May 18, 2018

Trailers & Videos See All

Katie Cassidy

Credits See All

Arrow

Dinah "Laurel" Lance

The Flash

Black Canary

Whose Line Is It Anyway?

Latest News See All

Arrow's Katherine McNamara Breaks Down Mia's Emotional Trauma and That JJ Cliffhanger

You Won't Believe Who Mia's Engaged to in This Arrow Sneak Peek

Arrow's Kat McNamara Previews a Brand New Mia Smoak in Her Spin-Off's Backdoor Pilot

Brace Yourself for Arrow Stars' Touching Photos From Last Days on Set

Arrow Finale: Not Everyone Survived the Finale

Trailers & Videos See All

Watch The CW's Arrow Season 7 Trailer

The Arrow Cast Picks Who Should Give Their Eulogies

Arrow Cast Best Moments and Outtakes | TV Guide

Arrow's Katie Cassidy and Juliana Harkavy Play Arrowverse Taboo

Stephen Amell and More Arrow Stars Thank Fans

Arrow Stars Look Back at Favorite Memories from the Pilot

TV Listings