Live-action:
* Victorious (2010-2013): Gillies starred as Jade West in this Nickelodeon sitcom.
* The Clique (2008): Gillies played the character of Massie Block.
* Animal (2023): Gillies plays the role of "The Driver" in this thriller.
Voice acting:
* The SpongeBob Movie: Sponge Out of Water (2015): She voiced the character of "Princess Mindy."
* The Egg (2011): Gillies provided the voice of "Olivia."
This is not an exhaustive list, as she has been in other movies and TV shows as well. You can find more information about her filmography on websites like IMDb.