
Sierra McCormick
Biography
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 th…
Known For
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Filmography
Acting (44)
Movies (30)
Killing Mary Sue
2025as Mary Sue
After All
2025as Monica
The Last Stop in Yuma County
2024as Sybil
Acting Out
2024as Sierra
The Nana Project
2023as Sarah
Camp
2023as Lily
Edge of Everything
2023as Abby
Exploited
2022as Chloe
We Need to Do Something
2021as Melissa
Who Stole My Daughter?
2019as Katie Sullivan
VFW
2019as Lizard
The Vast of Night
2019as Fay Crocker
All Good Things
2019as Bailey
Seduced by My Neighbor
2018as Allie
The Neighborhood Nightmare
2018as Allie
The Honor List
2018as Charlotte
Pretty Little Stalker
2018as Bridget
Christmas in the Heartland
2017as Kara Gentry
Sorority Nightmare
2016as Sarah
Some Kind of Hate
2015as Moira
Spooky Buddies
2011as Alice
Ramona and Beezus
2010as Susan
A Nanny for Christmas
2010as Jackie Ryland
Land of the Lost
2009as Tar Pits Kid
The Dog Who Saved Christmas
2009as Kara Bannister
Burnouts
Building Blocks
as Adult Desariee
Sigil
Last Chance Motel
I Don't Want to Drink Your Blood Anymore
Television (14)
American Horror Stories
2021as Scarlett Winslow
Jessie
2011as Connie Thompson
A.N.T. Farm
2011as Olive Doyle
Disney's Friends for Change Games
2011as Self
Romantically Challenged
2010as Scout Thomas
Are You Smarter Than a 5th Grader?
2007
Hannah Montana
2006as Gillian
Supernatural
2005as Zoey
Medium
2005as Adolescent Allison
Boston Legal
2004as Daniella
NCIS
2003as Sally Clark
Monk
2002as Anne Marie
CSI: Crime Scene Investigation
2000as Gracie Layman
Curb Your Enthusiasm
2000as Emma
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