Sierra McCormick

Acting

Sierra McCormick

Born October 28, 1997 · Asheville, North Carolina, USA (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 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 dire…

Known For

Big BabyBig Baby · 2025
Big Baby
4.02025
MovieHorror
A nightmare involving a maniac killer in a baby mask serves as inspiration for horror screenwriter Adam Lewis's new script. As more nightmares, visions, and real life terror being to challenge Adam's sanity, he finds himself in a desperate struggle to control his writing, his reality, and who will be Big Baby's next victim.
Land of the LostLand of the Lost · 2009
Land of the Lost
5.52009
MovieAdventureScience Fiction
On his latest expedition, has-been scientist Dr. Rick Marshall is sucked into a space-time vortex alongside his crack-smart research assistant Holly and redneck survivalist Will into a world populated by marauding dinosaurs and painfully slow creatures called Sleestaks. With no weapons, few skills and questionable smarts, the trio must rely on their only ally, a primate named Chaka, to try to survive long enough to figure out a way back home.
The Last Stop in Yuma CountyThe Last Stop in Yuma County · 2024
The Last Stop in Yuma County
6.92024
MovieCrimeDrama
While awaiting the next fuel truck at a middle-of-nowhere Arizona rest stop, a traveling young knife salesman is thrust into a high-stakes hostage situation by the arrival of two similarly stranded bank robbers with no qualms about using cruelty—or cold, hard steel—to protect their bloodstained, ill-gotten fortune.
Ramona and BeezusRamona and Beezus · 2010
Ramona and Beezus
6.62010
MovieComedyFamily
Ramona is a little girl with a very big imagination and a nose for mischief. Her playful antics keep everyone in her loving family on their toes, including her older sister Beezus, who's just trying to survive her first year of high school. Through all the ups and downs of childhood, Ramona and Beezus learn that anything's possible when you believe in yourself and rely on each other.
The Vast of NightThe Vast of Night · 2019
The Vast of Night
6.62019
MovieDramaMystery
At the dawn of the space-race, two radio-obsessed teens discover a strange frequency over the airwaves in what becomes the most important night of their lives and in the history of their small town.
Spooky BuddiesSpooky Buddies · 2011
Spooky Buddies
6.02011
MovieComedyFamily
The nefarious Warwick the Warlock has returned from his astral imprisonment, and plans to make the final sacrifice for ultimate power - all he needs is the soul of a pure heart. The Buddies, alongside their new spectral friend Pip, race against the clock to defeat the sorcerer, who has enlisted the Halloween Hound to do his dirty work under the cover of the neighborhood festivities.
CampCamp · 2023
Camp
2.92023
MovieDramaComedy
An ensemble coming-of-age story centered around a group of teenagers who navigate friendship, romance, and betrayal in their final year of sleep-away camp.
After AllAfter All · 2025
After All
6.52025
MovieFamilyDrama
When traditional grandmother Verna, suffers a stroke, her estranged daughter Ellen, returns to their modest home, facing the role of caregiver to both her ailing mother and her teenage daughter. As Verna’s memories blur and long-buried family secrets resurface, Ellen confronts painful truths about her past. In the midst of family upheaval, Haley struggles with relentless bullying, her identity, and anxiety, while watching her once-stable world fall apart.

Filmography

Sort