Grace Victoria Cox (born March 10, 1995) is an American actress. She is known for playing Melanie Cross in the CBS series Under the Dome (2014–2015), Veronica Sawyer in the Paramount Network series Heathers (2018), and Lexie in the Netflix series The Society (2019).

Early life Cox grew up in Lexington, Kentucky. She studied theatre at a high school for the arts, then a boarding school and, later, finished her senior year online. She described herself as introverted. In 2012, when she was 17, she moved to Los Angeles.Russell, Erica. “Heathers Star Grace Victoria Cox on Why We’re Still Obsessed With Mean Girls.” Interview Magazine, February 20, 2018, https://www.interviewmagazine.com/culture/heathers-star-grace-victoria-cox-still-obsessed-mean-girls. Accessed May 22, 2026.

Career Cox's first role was in the second season of the CBS adaptation of Stephen King's Under the Dome in 2014. She played Melanie Cross, a new girl in Chester's Mill. She next had further television roles in Manson's Lost Girls in 2016 on Lifetime and an episode of Twin Peaks in 2017, and the films, Savage Youth and Affairs of State in 2018.

Her breakout role came later in 2018, when she was cast as Veronica Sawyer in Heathers, the modern-day Paramount television adaptation of the cult classic film. Despite the show's cancellation after its first season, The New Yorker praised her performance as "a strange pleasure."Troy Patterson. “'Heathers,' Reviewed: The TV Remake of the Classic Teen Comedy Is a Feat of Hostile Farce.” The New Yorker, https://www.newyorker.com/culture/on-television/heathers-reviewed-the-tv-remake-of-the-classic-teen-comedy-is-a-feat-of-hostile-farce. Accessed 22 May 2026.

In 2019, she was cast as Carol DaRonch in Extremely Wicked, Shockingly Evil and Vile, which starred Zac Efron as Ted Bundy. Her performance was praised by The Hollywood Outsider, claiming "she disappears into the role."“Extremely Wicked, Shockingly Evil and Vile (2019) Film Review.” The Hollywood Outsider, https://www.thehollywoodoutsider.com/extremely-wicked-shockingly-evil-and-vile-film-review/. Accessed 22 May 2026. The same year, she had a recurring role on The Society as Lexie and appeared in 2 episodes of the Starz series, Now Apocalypse.

From 2021 to 2022, she appeared in the film Triumph, a sports drama, as Patty, and appeared on an episode Magnum P.I. and Chicago Med.“Full Cast & Crew: Title 5806646.” IMDb, https://www.imdb.com/title/tt5806646/fullcredits/. Accessed May 22, 2026.

Personal life In June 2025, Cox married Australian filmmaker and artist Josh Zammit. The couple announced their marriage via a post on Cox's Instagram account.

Filmography + Film roles Year Title Role Ref.2018 Savage Youth ElenaWhitney, Nadine. “Savage Youth Review: Brilliant and Timely Takedown of Toxic White Men.” The Curb, https://www.thecurb.com.au/savage-youth-review-brilliant-and-timely-takedown-of-toxic-white-men/. Accessed May 22, 2026. Affairs of State Darcy BainesDerek Smith. “Review: Affairs of State.” Slant Magazine, https://www.slantmagazine.com/film/affairs-of-state/. Accessed May 22, 2026. 2019 Extremely Wicked, Shockingly Evil and Vile Carol DaRonch“Grace Victoria Cox Joins ‘Extremely Wicked, Shockingly Evil and Vile,’ ‘Brit Shaw’ and ‘Between Worlds.’” Deadline, January 18, 2018, https://deadline.com/2018/01/grace-victoria-cox-extremely-wicked-shockingly-evil-and-vile-brit-shaw-between-worlds-1202269239/. Accessed May 22, 2026.“Heathers Star Joins Zac Efron in Ted Bundy Movie.” Deadline, January 25, 2018, https://deadline.com/2018/01/heathers-star-joins-zac-efron-ted-bundy-movie-1078428/. Accessed May 22, 2026. 2021 Triumph Patty“Grace Victoria Cox — Films.” MUBI, https://mubi.com/en/cast/grace-victoria-cox/films/cast. Accessed May 22, 2026.

+ Television roles Year Title Role Notes Ref. 2014–2015 Under the Dome Melanie Cross Main role (season 2); guest role (season 3)Ng, Philiana. “Under the Dome Adds Newcomer for Season 2 (Exclusive).” The Hollywood Reporter, February 5, 2014, https://www.hollywoodreporter.com/live-feed/under-dome-adds-newcomer-season-677247/. Accessed May 22, 2026. 2016 Manson's Lost Girls Lynette "Squeaky" Fromme Television film“Manson’s Lost Girls — Full Cast & Crew.” TV Guide, https://www.tvguide.com/movies/mansons-lost-girls/cast/2030206588/. Accessed May 22, 2026.2017 Twin Peaks Charlotte Episode: "Part 5" The Archer Emily Television film 2018 Heathers Veronica Sawyer Main role2019 Now Apocalypse Amber 2 episodesPetski, Denise. “Now Apocalypse: RJ Mitte & Grace Victoria Cox Set to Recur on Starz Comedy Series.” Deadline, June 28, 2018, https://deadline.com/2018/06/now-apocalypse-rj-mitte-grace-victoria-cox-recur-starz-comedy-series-1202418759/. Accessed May 22, 2026. The Society Lexie Recurring role, 8 episodesGordon, Naomi. “The Society’s Grace Victoria Cox on Netflix, Producers and Cast Dynamics.” Cosmopolitan UK, https://www.cosmopolitan.com/uk/entertainment/a27883301/the-society-grace-victoria-cox-netflix-producers-cast/. Accessed May 22, 2026. 2021 Magnum P.I. Chloe Dawson Episode: "Bloodline"“Grace Victoria Cox.” TV Insider, https://www.tvinsider.com/people/grace-victoria-cox/. Accessed May 22, 2026.2022Chicago MedKat MillerEpisode: "Lying Doesn't Protect You From The Truth"

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