Live-action:
* Casper & Wendy (1998)
* The Soul Collector (1999)
* Cadet Kelly (2002)
* Lizzie McGuire Movie (2003)
* Agent Cody Banks (2003)
* Cheaper by the Dozen (2003)
* A Cinderella Story (2004)
* Raise Your Voice (2004)
* The Perfect Man (2005)
* Material Girls (2006)
* The Haunting of Sharon Tate (2019)
* Happiest Season (2020)
* How I Met Your Father (TV series, 2022-present)
Animated:
* Casper's Haunted Christmas (2000)
* Ice Princess (2005)
* The Princess Diaries 2: Royal Engagement (2004, voice role)
* Foodfight! (2012, voice role)
Other:
* Beauty & the Briefcase (2005, TV movie)
* Greta (2018)
This is not an exhaustive list, but it covers some of her most notable film roles.