Katherine Grace McNamara (born November 22, 1995) is an American actress and singer. She portrays Julie Lawry on the CBS All Access series, The Stand.
Kat is known for her lead role as Clary Fray on Shadowhunters on Freeform. She is also known for her role as Mia Smoak on the CW series, Arrow, and is set to reprise the role in an upcoming spinoff.