The year she turned 20, she appeared as a Daehak Naeil cover model, and she says several agencies then offered to cast her.
The breakthrough yearThe year she turned 23, she debuted in tvN’s He Is Psychometric, and the one work made her name known.
That November, she was named an SK Telecom 5G ambassador. In 2020, she played Choi Yu-jin in Netflix’s The School Nurse Files, and in December appeared as Park Yu-ri in Sweet Home.
In 2021, she played Jeon Ye-seul in JTBC’s Law School. In August 2022, she made her screen debut in the film Hunt, and in December she appeared as Jo Yeong in tvN’s Alchemy of Souls: Light and Shadow.
Alchemy of Souls: Light and Shadow ended in January 2023, and in April she was nominated for best new actress in film at the Baeksang Arts Awards for Hunt. In August, she played Jang Hui-soo in Disney+’s Moving, and in December she appeared in TVING’s Death’s Game.
In May 2024, she attended a cruise show for the first time as a Chanel ambassador, and was nominated for best new actress in television at the Baeksang Arts Awards for Moving. In July, she won best new actress at the Blue Dragon Series Awards for Moving, and the NH NongHyup Card ad came out. In December, she made a cameo in the last episode of Light Shop.
In April 2025, she played Oh Yi-young in tvN’s Resident Playbook, and in May she took part in the series’ OST “Dalligi.”
In January 2026, she played Cha Mu-hee in Netflix’s Can This Love Be Translated?, and her Instagram followers passed 10 million. In April, she played Byeon Eun-a in JTBC’s We Are All Trying Here. In May, she won two awards at the Asia Star Entertainer Awards, and in July the Popular Star Award at the Blue Dragon Series Awards. In August, she became a global ambassador for Tiffany & Co.
Go Youn-jung (born Apr 22, 1996) debuted on Mar 11, 2019, the year she turned 23, in tvN’s He Is Psychometric, and became known through the one work. In 2023, the year she turned 27, she played Jang Hui-soo in Disney+’s Moving.
Ages are by calendar year (the year minus the birth year), birthdays aside.