Sierra McCormick is an American actress born on October 28, 1997, in Asheville, North Carolina. She is best known for playing Olive Doyle on Disney Channel’s A.N.T. Farm and Fay Crocker in The Vast of Night.
Her career has grown from child television roles into acclaimed independent horror and thriller films.
Who is Sierra McCormick?
Sierra McCormick built her career slowly, starting as a child performer in the late 2000s. She first gained attention as a contestant on the game show Are You Smarter Than a 5th Grader.
That appearance opened the door to acting jobs soon after. Her early roles included guest spots on Supernatural, Criminal Minds, and Boston Legal.
She then landed a lead role on Disney Channel, which introduced her to a much wider audience. McCormick did not stay in family-friendly roles forever.
As she got older, she moved into horror and psychological thrillers. This shift helped critics take her seriously as an adult actress.
Today, McCormick is known for versatility across genres. She has worked in comedy, science fiction, and horror without settling into just one lane.
Early Life of Sierra McCormick
McCormick was born in Asheville, North Carolina. Her family relocated to California while she was still young, settling first near Los Angeles and later in Palm Springs.
She has one younger sister named Kayla McCormick. Sierra has described her parents as her biggest source of support throughout her career.
At around age nine, she joined The Corsa Agency in Los Angeles. That decision marked the real beginning of her professional acting path.
Sierra McCormick Age
Sierra McCormick is 28 years old as of 2026, born on October 28, 1997. She will turn 29 later this year.
McCormick remains active in film, with new projects announced regularly.
Sierra McCormick Ethnicity and Nationality
Sierra McCormick is American by nationality. Detailed information about her specific ethnic background has not been confirmed through official sources.
She was raised in North Carolina and California within a close-knit family. McCormick has kept most personal family details out of the public eye.
Sierra McCormick Height and Weight
Sierra McCormick stands 5 feet 1 inch tall, or about 1.55 meters, according to industry profile data. Her exact weight has not been publicly disclosed by reliable sources.
Her petite frame has never limited her range on screen. She has played everything from a Disney sitcom teen to a hardened horror lead.
Physical stats aside, McCormick is better known for her expressive performances than her appearance alone.
Sierra McCormick Education
Because of her busy filming schedule, McCormick completed much of her schooling through homeschooling arranged for young performers. This is a common path for child actors balancing sets and studies.
Specific details about her later education have not been confirmed through reliable sources. She has focused primarily on her acting career since childhood.
Despite starting work so young, she has spoken about valuing lessons learned on set. Many of those lessons came from working alongside experienced actors.
Sierra McCormick Career
Sierra McCormick’s career spans nearly two decades. It began with small guest roles and grew into acclaimed film work.
Early Career
McCormick made her acting debut in 2007 with an uncredited role on ‘Til Death. That same year, she appeared on two episodes of Supernatural as Lilith.
She also appeared in the comedy film Ramona and Beezus in 2010, playing Susan Kushner. In the same period, she starred as Scout Thomas on the short-lived series Romantically Challenged.
Her voice work in Spooky Buddies earned her a Young Artist Award alongside the rest of the cast. That early recognition hinted at bigger roles ahead.
Breakthrough on Disney Channel
In 2011, McCormick landed her breakthrough role as Olive Doyle, a girl with an eidetic memory, on A.N.T. Farm. The show ran for three seasons before ending in 2014.
She was reportedly cast after an audition where she spoke enthusiastically about tigers. That memorable moment convinced producers she fit the character perfectly.
Alongside A.N.T. Farm, McCormick had a recurring role on Jessie as Connie, a character obsessed with the show’s main star. Both shows aired on Disney Channel during overlapping years.
Transition to Mature Roles
In 2015, McCormick starred as Moira in the horror indie film Some Kind of Hate, earning a Fright Meter Award nomination. This marked a clear shift away from family programming.
Between 2016 and 2018, she worked steadily on smaller television films. These projects helped her build range outside the Disney brand.
Her breakout critical moment came with The Vast of Night. She played Fay Crocker in the 2019 science fiction film, which reached theaters in 2021 through Amazon Studios.
That performance earned major acclaim. Paste magazine listed her among its breakout film performances of the year.
Recent Work
McCormick appeared in three episodes of American Horror Stories in 2021, playing Scarlett Winslow for FX on Hulu. Critics praised her screen presence in that role.
In 2023, she starred as Sybil in the crime thriller The Last Stop in Yuma County. The film received strong reviews from critics on the festival circuit.
More recently, McCormick was cast as the lead in the action caper Killing Mary Sue, alongside Dermot Mulroney and Sean Patrick Flanery. The film was acquired by Samuel Goldwyn Films for release.
In late 2025, she was announced for the supernatural horror thriller Sigil, alongside Francesca Xuereb and Cailyn Rice. Filming was set to begin the following January.
Sierra McCormick Movies & TV Series
| Year | Title | Role |
|---|---|---|
| 2010 | Ramona and Beezus | Susan Kushner |
| 2011 | Spooky Buddies | Alice (voice) |
| 2011-2014 | A.N.T. Farm | Olive Doyle |
| 2015 | Some Kind of Hate | Moira |
| 2019 | VFW | Lizard |
| 2019 | The Vast of Night | Fay Crocker |
| 2021 | We Need to Do Something | Melissa |
| 2021 | American Horror Stories | Scarlett Winslow |
| 2023 | The Last Stop in Yuma County | Sybil |
| 2025 | Killing Mary Sue | Mary Sue |
This table reflects some of her most notable credits. Her full filmography includes many additional guest and supporting roles from earlier in her career.
Sierra McCormick Awards and Recognition
McCormick has earned recognition from festival juries and critics groups over the years. Her horror work in particular has drawn steady praise.
- Young Artist Award for Spooky Buddies (2011)
- Fright Meter Award nomination for Some Kind of Hate (2015)
- Critics’ Choice Super Awards nomination for The Vast of Night (2021)
She also received a special mention from the Jury Awards at the Hamptons International Film Festival for her role in The Vast of Night. That recognition came alongside strong reviews from national critics.
Her performances continue to earn attention at genre film festivals. This suggests more award consideration could follow future roles.
Sierra McCormick Wife, Husband, Boyfriend, or Girlfriend
Sierra McCormick has kept her personal relationships largely private. She has not publicly confirmed a current partner.
Rumors of a secret marriage circulated in 2016, but close associates denied them at the time. No evidence ever supported that claim.
As of 2026, McCormick’s relationship status remains unconfirmed. She tends to focus public statements on her career rather than her personal life.
Sierra McCormick Children
Sierra McCormick does not have any publicly known children. She has not spoken about starting a family in interviews.
Her focus appears to remain on acting and upcoming film projects. No verified reports suggest this has changed recently.
Given her private nature, this section may be revisited if new information becomes available. For now, no reliable source confirms otherwise.
Sierra McCormick Net Worth
Sierra McCormick’s net worth is between 1.5 million as of 2026. These figures come largely from entertainment aggregator sites rather than confirmed financial records.
Her income has come from Disney Channel productions, independent horror films, and streaming residuals. Voice work and television guest appearances have also contributed over the years.
Newer projects like Killing Mary Sue and Sigil could add to her earnings going forward. Continued visibility in genre films tends to boost long-term income for character actors.
Her career trajectory suggests steady, if gradual, financial growth. Much will depend on the reception of her upcoming releases.
Sierra McCormick Social Media
McCormick is active on Instagram under the handle @sierramccormick, where her following has been reported at several hundred thousand depending on the source and date checked. She shares career updates and behind-the-scenes content there.
She also maintains a presence on other platforms, though verified follower counts are harder to confirm for those accounts. Fans mostly rely on her Instagram for direct updates.
McCormick tends to keep her captions brief and focused on projects rather than personal life. This matches her generally private approach to fame.
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The Bottom Line
Sierra McCormick has grown from a Disney Channel favorite into a respected genre film actress.
Her range across comedy, horror, and science fiction has kept her relevant for nearly two decades in Hollywood.
We hope you enjoyed reading about Sierra McCormick. Feel free to share your thoughts in the comments below!