Katherine McNamara

Biography

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.

Acting

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Coyotes

2025 • Kat

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Montana Mavericks

2025 • Heather

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High Ground

2025 • Cassie Becker

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And Love Knocked

• Emily

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Jade

2025 • Layla

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Grave Conversations

2024 - • Self

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Air Force One Down

2024 • Agent Allison Miles

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True Justice: Family Ties

2024 • Casey Barlowe

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Fool's Paradise

2023 • Terry

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Sugar

2022 • Chloe

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The Adventures of Bunny Bravo

2022 • Cat

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Samaritan

• Carly

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Dance Dads

2022 • Kassie Goodhart

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Walker: Independence

2022 - 2023 • Abby Walker

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Only Murders in the Building: One Killer Question

2022 - 2023 • Self

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Love, Classified

2022 • Taylor Bloom

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Urban Legend

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Untitled Horror Movie

2021 • Chrissy

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Finding You

2020 • Taylor Risdale

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Trust

2021 • Amy

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The Stand

2020 - 2021 • Julie Lawry

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Kappa Kappa Die

2020 • Charise

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Acting for a Cause

2020 - • Lydia Bennet

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Crisis Aftermath

2019 - 2019 • Self

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Batwoman

2019 - 2022 • Mia Smoak

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Assimilate

2019 • Hannah

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Happy Together

2018 - 2019 • Sara

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Maze Runner: The Death Cure

2018 • Sonya

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Charlotte

2017 • Mary (segment "Get Off My Porch")

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Is That a Gun in Your Pocket?

2016 • Sandy Keely

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Natural Selection

2016 • Paige Thomas

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Indiscretion

2016 • Lizzy Simon

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Little Savages

2016 • Tiffany

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Shadowhunters

2016 - 2019 • Clary Fray

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Supergirl

2015 - 2021 • Mia Smoak / Blackstar

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R.L. Stine's Monsterville: Cabinet of Souls

2015 • Lilith

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The Grinder

2015 - 2016 • Ginger

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Maze Runner: The Scorch Trials

2015 • Sonya

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A Sort of Homecoming

2015 • Rosa Conti

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A Wife's Nightmare

2014 • Jackie

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Tom Sawyer & Huckleberry Finn

2014 • Becky Thatcher

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The Flash

2014 - 2023 • Mia Smoak

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Happyland

2014 - 2014 • Harper Munroe

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Contest

2013 • Sarah O'Malley

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The Thundermans

2013 - 2018 • Tara Campbell

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The Fosters

2013 - 2018 • Kat

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Girl Vs. Monster

2012 • Myra

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Arrow

2012 - 2020 • Mia Smoak / Blackstar

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Last Ounce of Courage

2012 • Homeless Lady at Mission

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Transformers: Rescue Bots

2011 - 2016 • Priscilla Pynch (voice)

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Touch

2012 - 2013 • Evie Woods

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New Year's Eve

2011 • Lily Bowman

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Sam Steele and the Crystal Chalice

2011 • Emma Marsh

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Jessie

2011 - 2015 • Bryn Breitbart

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Unforgettable

2011 - 2016 • Young Carrie Wells

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Kickin' It

2011 - 2015 • Claire

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Workaholics

2011 - 2017 • Haley

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Last Will

2011 • Wedding Guest (uncredited)

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Sam Steele and the Junior Detective Agency

2009 • Emma Marsh

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R. L. Stine's The Haunting Hour

2010 - 2014 • Jodanna

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Get Off My Porch

2010 • Mary

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Drop Dead Diva

2009 - 2014 • Ann Logan

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Glee

2009 - 2015 • Bunhead #1

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Matchmaker Mary

2008 • Mary Carver

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CSI: Crime Scene Investigation

2000 - 2015 • Angela Ward / Tangerine

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Law & Order: Special Victims Unit

1999 - • Jasmine

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