Cassady McClincy (born September 1, 2000) is an American actress best known for her portrayal of Lydia on the AMC horror-drama television series The Walking Dead since 2019. She is also known for her role in the Netflix original series Ozark (2017).
Cassady was born on September 1, 2000, in Los Angeles, California. She is the daughter of Dayla McClincy and father whose identity isn't known. McClincy made her first screen appearance at the age of ten years in The Wizard of Agni in 2010. In the same year, she played a schoolgirl in a short film Five Smooth Stones. She later appeared in a small role of the sixth season of Drop Dead Diva. She also portrayed in another recurring role of the first season of Constantine. In 2017, she made a recurring appearance on the Netflix original series Ozark.
In 2019, McClincy began to portray Lydia in The Walking Dead during season 9 and became a series regular beginning with season 10.