Katherine Grace McNamara (born November 22, 1995) is an American actress and singer. She portrayed Clary Fray on the 2016–2019 supernatural drama series Shadowhunters, receiving a Teen Choice Award and a People's Choice Award for her work. In 2022, she starred in the western action series Walker: Independence as Abby Walker, which earned her a Critics Choice Super Award for Best Actress in an Action Series nomination.

Filmography

• 2026Christmas Uncorked — Nora
• 2026True Justice: Eye For An Eye — Casey Barlowe
• 2025Coyotes — Kat
• 2025High Ground — Cassie Becker
• 2025Montana Mavericks — Heather
• 2025The Queen's Jewels — Lala
• 2024Air Force One Down — Agent Allison Miles
• 2024Jade — Layla
• 2024True Justice: Family Ties — Casey Barlowe
• 2023Fool's Paradise — Terry
• 2022Dance Dads — Kassie Goodhart
• 2022Love, Classified — Taylor Bloom
• 2022Sugar — Chloe
• 2022The Adventures of Bunny Bravo — Cat
• Walker Independence — Abby Walker
• 2021Finding You — Taylor Risdale
• 2021Trust — Amy
• 2021Untitled Horror Movie — Chrissy, Executive Producer
• 2020Kappa Kappa Die — Charise
• The Stand — Julie Lawry
• 2019Assimilate — Hannah
• Batwoman — Mia Smoak
• 2019Spirit Riding Free: Spirit of Christmas — Sally Jessup (voice)
• Happy Together — Sara
• 2018Maze Runner: The Death Cure — Sonya
• 2017Charlotte — Mary (segment "Get Off My Porch")
• 2016Indiscretion — Lizzy Simon
• 2016Is That a Gun in Your Pocket? — Sandy Keely
• 2016Little Savages — Tiffany
• 2016Natural Selection — Paige Thomas
• Shadowhunters — Clary Fray
• 2015A Sort of Homecoming — Rosa Conti
• 2015Maze Runner: The Scorch Trials — Sonya
• 2015R.L. Stine's Monsterville: The Cabinet of Souls — Lilith
• Supergirl — Mia Smoak / Blackstar
• The Grinder — Ginger
• 2014A Wife's Nightmare — Jackie
• Happyland — Harper Munroe
• The Flash — Mia Queen / Green Arrow, Mia Smoak
• 2014Tom Sawyer & Huckleberry Finn — Becky Thatcher
• 2013Contest — Sarah O'Malley
• The Fosters — Kat
• The Thundermans — Tara Campbell
• Arrow — Maya / Blackster, Mia Smoak, Mia Smoak / Blackstar
• 2012Girl vs. Monster — Myra
• 2012Last Ounce of Courage — Homeless Lady at Mission
• Touch — Evie Woods
• Transformers: Rescue Bots — Priscilla Pynch (voice)
• Jessie — Bryn Breitbart
• Kickin' It — Claire
• 2011Last Will — Wedding Guest (uncredited)
• 2011New Year's Eve — Lily Bowman
• 2011Sam Steele and the Crystal Chalice — Emma Marsh
• 2011Sam Steele and the Junior Detective Agency — Emma Marsh
• 2011The Junior Spy Agency — Emma Marsh
• Unforgettable — Young Carrie Wells
• Workaholics — Haley
• 2010Get Off My Porch — Mary
• R. L. Stine's The Haunting Hour — Jodanna
• Drop Dead Diva — Ann Logan
• Glee — Bunhead #1
• 2008Matchmaker Mary — Mary Carver
• CSI: Crime Scene Investigation — Angela Ward / Tangerine
• Law & Order: Special Victims Unit — Jasmine
• And Love Knocked — Emily
• Cheap AF
• Samaritan — Carly
• True Justice 3: Lost Love — Casey Barlowe
• White — Sam Swatek

Appearances as themselves (5)

• Grave Conversations — Self
• One Killer Question — Self
• Crisis Aftermath — Self
• Cake Wars — Self - Guest Judge
• Radio Disney Music Awards — Self