Katherine McNamara

Katherine McNamara

Katherine 'Kat' Grace McNamara (born November 22, 1995) is an American actress. She is known for her roles as Harper Munroe on the MTV comedy series Happyland, and Clary Fray on the Freeform fantasy series Shadowhunters.

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Known For

Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

1999 • as Jasmine

The Flash

The Flash

2014 • as Mia Queen / Green Arrow

The Flash

The Flash

2014 • as Mia Smoak

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

2000 • as Angela Ward / Tangerine

Arrow

Arrow

2012 • as Self

Arrow

Arrow

2012 • as Maya / Blackster

Filmography

2025

High Ground
High Ground
as Cassie Becker
Movie - Released: 3/17/2025

2024

Air Force One Down
Air Force One Down
as Agent Allison Miles
Movie - Released: 2/9/2024
True Justice: Family Ties
True Justice: Family Ties
as Casey Barlowe
Movie - Released: 1/12/2024
Jade
Jade
as Layla
Movie - Released: 5/5/2024

2023

Fool's Paradise
Fool's Paradise
as Terry
Movie - Released: 5/12/2023

2022

Love, Classified
Love, Classified
as Taylor Bloom
Movie - Released: 4/16/2022
Dance Dads
Dance Dads
as Kassie Goodhart
Movie - Released: 10/29/2022
Sugar
Sugar
as Chloe
Movie - Released: 11/18/2022
The Adventures of Bunny Bravo
The Adventures of Bunny Bravo
as Cat
Movie - Released: 11/14/2022
One Killer Question
One Killer Question
as Self
TV - Released: 6/28/2022
Walker Independence
Walker Independence
as Abby Walker
TV - Released: 10/6/2022

2021

Untitled Horror Movie
Untitled Horror Movie
as Chrissy
Movie - Released: 6/12/2021
Finding You
Finding You
as Taylor Risdale
Movie - Released: 5/13/2021
Trust
Trust
as Amy
Movie - Released: 3/12/2021

2020

Kappa Kappa Die
Kappa Kappa Die
as Charise
Movie - Released: 10/23/2020
The Stand
The Stand
as Julie Lawry
TV - Released: 12/17/2020
Acting for a Cause
Acting for a Cause
as Lydia Bennet
TV - Released: 3/27/2020

2019

Assimilate
Assimilate
as Hannah
Movie - Released: 5/24/2019
Spirit Riding Free: Spirit of Christmas
Spirit Riding Free: Spirit of Christmas
as Sally Jessup (voice)
Movie - Released: 12/6/2019
Crisis Aftermath
Crisis Aftermath
as Self
TV - Released: 12/8/2019
Batwoman
Batwoman
as Mia Smoak
TV - Released: 10/6/2019

2018

Maze Runner: The Death Cure
Maze Runner: The Death Cure
as Sonya
Movie - Released: 1/10/2018
Happy Together
Happy Together
as Sara
TV - Released: 10/1/2018

2017

Charlotte
Charlotte
as Mary (segment "Get Off My Porch")
Movie - Released: 8/8/2017

2016

Natural Selection
Natural Selection
as Paige Thomas
Movie - Released: 8/26/2016
Little Savages
Little Savages
as Tiffany
Movie - Released: 2/2/2016
Is That a Gun in Your Pocket?
Is That a Gun in Your Pocket?
as Sandy Keely
Movie - Released: 9/16/2016
Indiscretion
Indiscretion
as Lizzy Simon
Movie - Released: 6/8/2016
Shadowhunters
Shadowhunters
as Clary Fray
TV - Released: 1/12/2016

2015

Maze Runner: The Scorch Trials
Maze Runner: The Scorch Trials
as Sonya
Movie - Released: 9/9/2015
A Sort of Homecoming
A Sort of Homecoming
as Rosa Conti
Movie - Released: 3/14/2015
R.L. Stine's Monsterville: The Cabinet of Souls
R.L. Stine's Monsterville: The Cabinet of Souls
as Lilith
Movie - Released: 9/29/2015
The Grinder
The Grinder
as Ginger
TV - Released: 9/29/2015
Supergirl
Supergirl
as Mia Smoak / Blackstar
TV - Released: 10/26/2015

2014

Tom Sawyer & Huckleberry Finn
Tom Sawyer & Huckleberry Finn
as Becky Thatcher
Movie - Released: 10/23/2014
A Wife's Nightmare
A Wife's Nightmare
as Jackie
Movie - Released: 12/27/2014
Happyland
Happyland
as Harper Munroe
TV - Released: 9/30/2014
The Flash
The Flash
as Mia Queen / Green Arrow
TV - Released: 10/7/2014
The Flash
The Flash
as Mia Smoak
TV - Released: 10/7/2014

2013

Contest
Contest
as Sarah O'Malley
Movie - Released: 12/31/2013
The Thundermans
The Thundermans
as Tara Campbell
TV - Released: 10/14/2013
The Fosters
The Fosters
as Kat
TV - Released: 6/3/2013
Radio Disney Music Awards
Radio Disney Music Awards
as Self
TV - Released: 4/27/2013

2012

Girl vs. Monster
Girl vs. Monster
as Myra
Movie - Released: 10/12/2012
Last Ounce of Courage
Last Ounce of Courage
as Caroler
Movie - Released: 9/14/2012
Arrow
Arrow
as Self
TV - Released: 10/10/2012
Arrow
Arrow
as Maya / Blackster
TV - Released: 10/10/2012
Arrow
Arrow
as Mia Smoak
TV - Released: 10/10/2012
Arrow
Arrow
as Mia Smoak / Blackstar
TV - Released: 10/10/2012
Touch
Touch
as Evie Woods
TV - Released: 1/25/2012
Transformers: Rescue Bots
Transformers: Rescue Bots
as Priscilla Pynch (voice)
TV - Released: 2/18/2012

2011

Sam Steele and the Crystal Chalice
Sam Steele and the Crystal Chalice
as Emma Marsh
Movie - Released: 11/21/2011
Sam Steele and the Junior Detective Agency
Sam Steele and the Junior Detective Agency
as Emma Marsh
Movie - Released: 1/4/2011
New Year's Eve
New Year's Eve
as Lily Bowman
Movie - Released: 12/8/2011
Last Will
Last Will
as Wedding Guest (uncredited)
Movie - Released: 3/22/2011
Workaholics
Workaholics
as Haley
TV - Released: 4/6/2011
Unforgettable
Unforgettable
as Young Carrie Wells
TV - Released: 9/20/2011
Jessie
Jessie
as Bryn Breitbart
TV - Released: 9/30/2011
Kickin' It
Kickin' It
as Claire
TV - Released: 6/13/2011

2010

Get Off My Porch
Get Off My Porch
as Mary
Movie - Released: 5/31/2010
R. L. Stine's The Haunting Hour
R. L. Stine's The Haunting Hour
as Jodanna
TV - Released: 10/29/2010

2009

Drop Dead Diva
Drop Dead Diva
as Ann Logan
TV - Released: 7/12/2009
Glee
Glee
as Bunhead #1
TV - Released: 5/19/2009

2008

Matchmaker Mary
Matchmaker Mary
as Mary Carver
Movie - Released: 8/31/2008
All Roads Lead Home
All Roads Lead Home
as Fair Goer
Movie - Released: 1/1/2008

2000

CSI: Crime Scene Investigation
CSI: Crime Scene Investigation
as Angela Ward / Tangerine
TV - Released: 10/6/2000

1999

Law & Order: Special Victims Unit
Law & Order: Special Victims Unit
as Jasmine
TV - Released: 9/20/1999

Unknown

Samaritan
Samaritan
as Carly
Movie
Movie
The Queen's Jewels
as Lala
Movie
Movie
Coyote
Movie