Sierra McCormick
Acting • AGE 28
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...
Acting
After All
Monica
2025
Big Baby
2025
Killing Mary Sue
Mary Sue
2025
Acting Out
Sierra
2024
The Last Stop in Yuma County
Sybil
2024
Camp
Lily
2023
The Nana Project
Sarah
2023
Edge of Everything
Abby
2023
Exploited
Chloe
2022
We Need to Do Something
Melissa
2021
American Horror Stories
Scarlett Winslow
2021
VFW
Lizard
2019
Who Stole My Daughter?
Katie Sullivan
2019
All Good Things
Bailey
2019
The Vast of Night
Fay Crocker
2019
Pretty Little Stalker
Bridget
2018
Seduced by My Neighbor
Allie
2018
The Neighborhood Nightmare
Allie
2018
The Honor List
Charlotte
2018
Christmas in the Heartland
Kara Gentry
2017
Sorority Nightmare
Sarah
2016
Some Kind of Hate
Moira
2015
Jessie
Connie Thompson
2011
Spooky Buddies
Alice
2011
Disney's Friends for Change Games
Self
2011
A.N.T. Farm
Olive Doyle
2011
A Nanny for Christmas
Jackie Ryland
2010
Ramona and Beezus
Susan
2010
Romantically Challenged
Scout Thomas
2010
The Dog Who Saved Christmas
Kara Bannister
2009
Land of the Lost
Tar Pits Kid
2009
Hannah Montana
Gillian
2006
Supernatural
Lilith
2005
Medium
Adolescent Allison
2005
Boston Legal
Daniella
2004
NCIS
Sally Clark
2003
Monk
Anne Marie
2002
Curb Your Enthusiasm
Emma
2000
CSI: Crime Scene Investigation
Gracie Layman
2000
I Don't Want to Drink Your Blood Anymore
Last Chance Motel
Sigil