Born in Lindsay, Ontario, Park began her acting career with small parts starting at age 6. She attended Oakridge Secondary School, in London, Ontario. She was also a part of the Original Kids Theatre program.
Park completed a guest starring role on the popular Disney channel Family show Life with Derek as Amy, a love interest of Derek and head cheerleader ex-girlfriend to Max. Her largest role to date has been in the ABC Family series The Secret Life of the American Teenager, where she plays one of the main characters, Grace Bowman, a conservative Christian teen and cheerleader who, along with her boyfriend, struggle with her purity vow until marriage.
In 2013, Park lost the role of Nicki in the sitcom Undateable to Briga Heelan. Heelan had originally been cast in the role, but was believed to be unable to continue when her sitcom Ground Floor was renewed for a second season. The part was recast with Park, however when Heelan's schedule was adjusted to allow her to appear on both shows, Heelan took back the role.
Park created a band with singer Codi Caraco called Frank and Derol, in which she formerly sang and played bass guitar. The girl band also includes pop star Miley Cyrus's older half-sister, Brandi Cyrus.
As of 2010, Park has left the band to focus on her acting career in the TV series The Secret Life of the American Teenager. Park also appeared, together with Tyler Hilton, in a music video called "(Kissed You) Good Night" recorded by the American country music group Gloriana.
In July 2006, Park started dating actor and singer Tyler Hilton, after meeting him on the set of Charlie Bartlett. They became engaged in December 2013, and wed on October 10, 2015.
|2004||Some Things That Stay||Brenda Murphy|
|2007||Charlie Bartlett||Whitney Drummond|
|2007||Diary of the Dead||Francine Shane|
|2008||Butcher's Daughter, TheThe Butcher's Daughter||Sarah Beaumont||Short film|
|2010||The Perfect Teacher||Devon Cory||TV Movie|
|2011||A Cinderella Story: Once Upon a Song||Beverly "Bev" Van Ravensway||Direct to video|
|2012||Guns, Girls and Gambling||Cindy|
|2012||So Undercover||Cotton Roberts|
|2013||F Word, TheThe F Word||Dalia||AKA, What If|
|2003||This Time Around||Young Cara Cabot||Television film|
|2004||She's Too Young||Becca White||Television film|
|2004||Dark Oracle||Ainsley||Episode: "It Happened at the Dance"|
|2004||Ace Lightning||Jessica Fisgus||Recurring role, 5 episodes|
|2005||Blobheads, TheThe Blobheads||Wendy||Episodes: "Shakesblob in Love", "The Emperor's New Tutor"|
|2006||Road to Christmas, TheThe Road to Christmas||Hilly Pullman||Television film|
|2006||Angela's Eyes||Zoe||Episode: "Undercover Eyes"|
|2007||Life with Derek||Amy||Episode: "Cheerleader Casey"|
|2007||Dark Room, TheThe Dark Room||Zoe||Television film|
|2008–13||Secret Life of the American Teenager, TheThe Secret Life of the American Teenager||Grace Bowman||Main role, 121 episodes|
|2010||Entourage||Girl being Interviewed||Episode: "Buzzed"|
|2011||Happy Endings||Chloe||Episode: "Baby Steps"|
|2012||Newsroom, TheThe Newsroom||Gwen Valley||Episode: "News Night 2.0"|
|2013–14||Neighbors, TheThe Neighbors||Jane||Recurring role, 9 episodes|
|2014||Lottery, TheThe Lottery||Rose||Recurring role, 4 episodes|
|2015||Wish Come True, AA Wish Come True||Lindsay Corwin||Television film|
|2015||Gentleman Lobsters||Stephanie||Episode: "The Worst Thing That Can Happen After Sending a Dick Pic"|
|2015||Ungodly Acts||Melissa||Television film|
|2015||Jane the Virgin||Dr. Damprey||Episode: "Chapter Thirty"|