Sierra McCormick

Sierra McCormick Profile Photo

Characters played by Sierra McCormick

Olive Doyle — A.N.T. Farm (2011)

Olive Doyle is an A.N.T. student with an eidetic memory. On Chyna Parks's first day, Olive befriends her and becomes part of the trio with Chyna Parks and Fletcher Quimby. Together, they use their exceptional abilities to handle the many adventures that drive the story.

Sybil — The Last Stop in Yuma County (2024)

A young aspiring criminal who arrives at the diner with Miles. She participates in the standoff, shoots at the salesman, and is killed by him in self-defense.

Susan — Ramona and Beezus (2010)

Ramona's classmate whose revelation about her parents' divorce and father's relocation after a job loss deeply unsettles Ramona. Her story triggers Ramona's anxiety and physical illness, prompting Robert to miss a job interview and spend time comforting his daughter.

Chloe — Exploited (2022)

Chloe is the dorm resident adviser who welcomes Brian when he arrives at Starling University. Together with Tommy, she helps introduce him to campus housing and his new college environment. The available events do not show her participating in the later confrontations, message manipulation, or investigation surrounding the webcam recordings.

Fay Crocker — The Vast of Night (2019)

A teenage switchboard operator and Everett's friend. She tests her new tape recorder, alerts Everett to the mysterious signal, retrieves a recording from the library, receives reports of something in the sky, and flees into the woods with Everett and her baby sister.

Jackie Ryland — A Nanny for Christmas (2010)

One of the two children in the Ryland household. She is bored with her rigid routine and becomes attached to Ally after Ally brings fun and spontaneity to the children's holiday break.

Alice — Spooky Buddies (2011)

Human owner of Rosebud. She joins her friends and their puppies on a school trip to Warwick's manor in Spooky Buddies, where the group becomes entangled in a supernatural Halloween mystery involving an evil warlock and a ghostly hellhound.

Lizard — VFW (2019)

Lizard is Elizabeth, Lucy's younger sister, who witnesses Lucy's death and steals Boz's Hype stash while escaping from him. Her actions bring the conflict to Fred's bar, but she later urges Fred to continue fighting and ultimately escapes Boz with Fred's help.

Kara Gentry — Christmas in the Heartland (2017)

A wealthy 15-year-old who switches places with Jessie to spend Christmas with her grandfather Bob and grandmother Elsa in Oklahoma, ultimately building a genuine sense of family despite the deception.

Melissa — We Need to Do Something (2021)

Melissa is a teenager trapped in the bathroom with her family during a tornado. She is Amy's girlfriend and helped carry out the spell involving Joe, which triggers the supernatural events. After Bobby dies and Robert becomes violent, Melissa kills Robert with a piece of mirror.

Mary Sue — Killing Mary Sue (2025)

Mary Sue Harper is Senator Bradley Weiner’s problematic step-daughter and the central figure of the story. Her scandals threaten Bradley’s career, so he secretly arranges repeated attempts to kill her. Unusually resilient and highly violent, she defeats assassins, soldiers, and spies before rejecting Bradley’s manipulation and leaving with Janine.

Moira — Some Kind of Hate (2015)

A vengeful ghost of a formerly bullied student who died at the camp. She is summoned by Lincoln's dark wishes and uses self-harm to inflict lethal damage on his tormenters. She manipulates Lincoln into embracing vengeance but is ultimately defeated when Lincoln sacrifices himself and Kaitlin destroys her remains.

Career Overview

Sierra McCormick has 43 screen credits in a career dating back to 2000. Their work spans 3 cinematic universes — most prominently Ronald's Little Factory Collection with 1 titles. Signature works include A.N.T. Farm, The Vast of Night, Land of the Lost. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.

Personal Facts

Known For
Acting
Gender
female
Known Credits
43
Birth Date
1997-10-28
Birth Place
Asheville, North Carolina, USA

Known For

Associated Universes

Universe traveler — spans 3 universes

Frequent Collaborators

Credits

Content sources

Related entry on Wikidata (Q238628), public domain (CC0).