Film:
* The Last Man on Earth (2015) - as "Young Girl"
* The Unicorn (2021) - as "Erin"
* The Unbreakable Kimmy Schmidt (2015) - as "Young Kimmy"
* Good Girls (2021) - as "Little Ruby"
Television:
* The Last Man on Earth (2015-2018) - as "Young Girl" (5 episodes)
* Modern Family (2015-2019) - as "Young Lily" (4 episodes)
* The Good Place (2018) - as "Young Eleanor" (1 episode)
* The Unicorn (2019-2021) - as "Erin" (23 episodes)
* Good Girls (2019-2021) - as "Little Ruby" (19 episodes)
This list includes only the projects where Jacy King has a credited role. There might be additional projects she has worked on, but these are the ones that are publicly known.