
Acting
Sierra McCormick
EN cinema · 33 credits
Born
28 October 1997 (age 29)
Birthplace
Asheville, North Carolina, USA
Also known as Sierra Nicole McCormick · シエラ・マコーミック
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.
Known for
Filmography
Building Blocks
Building Blocks
as Adult Desariee

Sigil
Actor
GUM
GUM
as Eden

Last Chance Motel
as Betty

Killing Mary Sue
as Mary Sue

After All
as Monica

Big Baby
Actor

Acting Out
as Sierra

The Nana Project
as Sarah

Camp
as Lily

Exploited
as Chloe

We Need to Do Something
as Melissa

The Vast of Night
as Fay Crocker

All Good Things
as Bailey

VFW
as Lizard

Who Stole My Daughter?
as Katie Sullivan

The Honor List
as Charlotte

Pretty Little Stalker
as Bridget

Christmas in the Heartland
as Kara Gentry

Sorority Nightmare
as Sarah

Some Kind of Hate
as Moira

Spooky Buddies
as Alice

A Nanny for Christmas
as Jackie Ryland

Ramona and Beezus
as Susan

The Dog Who Saved Christmas
as Kara Bannister

Land of the Lost
as Tar Pits Kid






