Kolker's roles include Ava Morgenstern on the Disney Channel series Girl Meets World (2014–2017), and Olive Rozalski on Sydney to the Max (2019–2021).
In film, she portrayed Lily in Scary Movie 5 (2013), Heather in Miss Meadows (2014), Boot in Message from the King (2016) and Young Elise Rainer in Insidious: The Last Key (2018).
[6] Kolker has made various guest appearances on television series such as Dads, Sam & Cat, and Black-ish.
[11] In 2018, Kolker was cast on the Disney Channel sitcom Sydney to the Max, playing the main character of Olive.
[16] In 2019, she was cast in a minor voice role in the film Red Shoes and the Seven Dwarfs,[17] which will be released theatrically in September 2020.