Jang Dong-ju
Jang Dong-ju (장동주) is a South Korean actor known for Class of Lies, Trigger and No Tail to Tell. See his biography, age, career story and best roles.

Beyond the screen.
Jang Dong-ju is a South Korean actor and model known for his clean looks and earnest, hard-working image. He plays Hyun Woo-seok in the fantasy drama No Tail to Tell (2026). Since his debut he has built a steady career across school dramas, thrillers and films, and each year his roles grow bigger.
Jang Dong-ju is 177 cm (5 ft 10 in) tall.
Early life
Jang Dong-ju was born on October 25, 1994, in Gyeongju, North Gyeongsang Province, South Korea, a city famous for its ancient history. He moved to Seoul to chase acting and modelling work, and his tall, fresh image soon opened doors in commercials, web dramas and television.
Career and breakthrough
Jang Dong-ju gained his first wide attention in the school thriller Class of Lies (2019), playing Kim Han-soo, a student at the centre of a murder mystery. The drama's dark story and young cast became a word-of-mouth success. He also appeared in the film Honest Candidate (2020) and the idol drama Let Me Be Your Knight (2021) as Seo Woo-yeon.
Popular roles
Fans praise Jang Dong-ju for playing sincere young men with hidden pain. In the Netflix action series Trigger (2025), he plays Jang Jeong-woo in a tense story about illegal guns in Korea, showing a tougher side. His film work in Handsome Guys (2024) and Countdown (2023) added comedy and drama to his range.
Recent work and why fans love him
In No Tail to Tell (2026), Jang Dong-ju plays Hyun Woo-seok in a fantasy romance about a nine-tailed fox, one of his biggest roles so far. Fans love his honest personality and steady effort. He feels like an actor still climbing, and viewers enjoy growing together with him.
A career, chapter by chapter.
Selected drama roles
- No Tail to Tell — Hyun Woo-seok
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Stories to find them in.
Selected credits in the Oxfea collection.
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