
Acting
Born October 28, 1997 · Asheville, North Carolina, USA
Sierra McCormick (born October 28, 1997) is an American actress. She first became known for participating in the game show Are You Smarter Than a 5th Grader? (2007–2008) before making her acting debut with a recurring role as Lilith on the television series Supernatural (2008). She also starred as Scout Thomas on the comedy television series Romantically Challenged (2010), played Alice in the direct-to-DVD film Spooky Buddies (2011) for which she won a Young Artist Award, and Susan Kushner in the comedy film Ramona and Beezus (2010). She had her breakthrough starring as Olive Doyle on the Disney Channel series A.N.T. Farm (2011–2014). McCormick transitioned to more mature roles by starring as Moira in the horror indie film Some Kind of Hate (2015). She then earned critical acclaim for playing Fay Crocker in the science fiction film The Vast of Night (2019) and a nomination from the Critics' Choice Super Awards. She has since played Melissa in the horror film We Need to Do Something (2021), Scarlett Winslow in three episodes of the Hulu series American Horror Stories (2021), and Sybil in the thriller film The Last Stop in Yuma County (2023). Her latest role is Mary Sue in the straight-to-video action comedy Killing Mary Sue (2025). Description above from the Wikipedia article Sierra McCormick, licensed under CC-BY-SA, full list of contributors on Wikipedia.

After All
2025

Killing Mary Sue
2025

Acting Out
2024

The Last Stop in Yuma County
2024

Camp
2023

The Nana Project
2023

Edge of Everything
2023

Exploited
2022

We Need to Do Something
2021

VFW
2019

Who Stole My Daughter?
2019

All Good Things
2019

The Vast of Night
2019

Pretty Little Stalker
2018

Seduced by My Neighbor
2018

The Neighborhood Nightmare
2018

The Honor List
2018

Christmas in the Heartland
2017

Sorority Nightmare
2016

Some Kind of Hate
2015

Spooky Buddies
2011

A Nanny for Christmas
2010

Ramona and Beezus
2010

The Dog Who Saved Christmas
2009

Land of the Lost
2009