Beginnings Jung's first acting experience was through a musical in college, however his determination to become an actor was established when he was in the
military service and he lost 12 kilograms in order to achieve his dream. He debuted at the age 26. Jung officially debuted in 2014 through the TV series
Bride of the Century and then appeared in the
indie film The Youth. Two of his historical movies, ''
The King's Case Note and Conspiracy: Age of Rebellion'', were released in the same year. where he received praise for his performance as an imprisoned Army captain convicted of assaulting a soldier in his unit who later died. In 2018, Jung appeared in another historical film
Heung-boo: The Revolutionist where he played the character of
King Heonjong. Following the airing of the drama, Jung experienced a rise in popularity in Asia. Later that year, Jung was cast in the period romance film
Tune in for Love alongside
Kim Go-eun. In 2019, Jung starred in the youth film
Start-Up as a school drop out who ends up in a gang. The same year he was cast in the romance drama
One Spring Night alongside
Han Ji-min, helmed by the director and writer of
Something in the Rain. In 2020, Jung starred in romance drama
A Piece of Your Mind alongside
Chae Soo-bin. In the same year, he joined on
JTBC drama
Snowdrop alongside
Jisoo, which was helmed by
Sky Castle writer and producer and premiered in December 2021. In 2021, Jung starred in the
Netflix series
D.P. as a
Military Police soldier tasked with pursuing
deserters. The same year he joined the Watcha original short film
Unframed with
Lee Je-hoon directing and writing the script. Asia Star Awards in October 2022 In 2022, Jung starred in the
Disney+ drama
Connect. In 2024, he starred in the romcom drama alongside Jung somin in
Love Next Door. ==Personal life==