Meg Donnelly

Donnelly was born in New York City and grew up in Peapack-Gladstone, New Jersey. She is an only child. She began training in voice, dance and acting at the Annie’s Playhouse School of Performing Arts in Far Hills, New Jersey at the age of six. She has appeared as a featured vocalist in several Kids of the Arts, Broadway Kids and Time To Shine productions in New York City.Donnelly co-starred as Ash in the 2013 Netflix series Team Toon. She was the American face of Clean and Clear's 2015 Awkward to Awesome campaign, and was the understudy for the role of Louisa von Trapp in the NBC television special The Sound of Music Live!. She starred in the 2015 Nickelodeon pilot Future Shock, but it was not sold.

Donnelly played the starring role of Taylor Otto in the ABC sitcom American Housewife from 2016 to 2021. She replaced actress Johnny Sequoyah who played the character in the series' pilot. Critics cited this as Donnelly's breakout role. She then appeared in the independent film The Broken Ones, which premiered at the 2017 SOHO International Film Festival.

Donnelly stars as Addison in the Disney Channel Original Movie musical Zombies, which premiered on February 16, 2018. She then released her debut single, "Smile," on August 5, 2018. On March 1, 2019, she released her second single, "Digital Love". She reprises the role of Addison in the sequels Zombies 2, which premiered on Disney Channel on February 14, 2020; Zombies 3, which was released in July and August 2022 on Disney+ and Disney Channel, respectively; and the upcoming sequel Zombies 4, which was greenlit in February 2024 with Donnelly set to executive produce.

In 2022, Donnelly was cast as Mary Campbell in the Supernatural spin-off The Winchesters, which was picked up to series by The CW in May and cancelled after one season. Also in 2022, she played the recurring role of Val in the Disney+ original series High School Musical: The Musical: The Series. In 2023, she voiced Kara Zor-El / Supergirl in the film Legion of Super-Heroes, a role she reprised the following year in the Justice League: Crisis on Infinite Earths trilogy.