[4] Shortly after, the then-aspiring actress impressed critics in the feature film Blossom Again, in which she gave an engrossing performance as an emotionally vulnerable teenager experiencing her first love,[5] and thus received several newcomer awards that year.

[8] Jung's filmography is a diverse mix of arthouse indies such as The Room Nearby[9] and Cafe Noir,[10] cult monster flick Chaw,[11] odd-couple romantic comedy My Dear Desperado,[12] and melodrama Come, Closer.

[13] The Crucible (also known as Silenced), inspired by true events about a group of handicapped children who suffer physical and sexual abuse at the hands of their teachers, drew nearly 5 million viewers and became one of the highest-grossing films that Jung has starred in.

[15] She played the titular character in Hong's Oki's Movie (2010) and Our Sunhi (2013), where her fragile appeal is underpinned by a quiet strength and straightforwardness.

[18] She was cast in the zombie thriller Train to Busan (2016) directed by Yeon Sang-ho, which premiered at the Cannes Film Festival.