Lee Seung-joon

Lee Seung-joon is a South Korean actor who is most active in theatre but widely loved for his honest screen roles. Many viewers know him as Doctor Song Sang-hyun in Descendants of the Sun (2016) and as King Gojong in Mr. Sunshine (2018). His natural style makes every character feel like a real person you might meet.

Lee Seung-joon is 175 cm (5 ft 9 in) tall, according to his published profile.

Early life

Lee Seung-joon was born on February 11, 1973, in South Korea. He chose the stage early and built his career in plays, where actors must hold an audience with voice and feeling alone. Theatre remains the centre of his working life even now.

Career and breakthrough

He appeared in the hit war film The Admiral: Roaring Currents (2014), one of the most watched Korean films ever. Television fame grew with Discovery of Love (2014) and then Descendants of the Sun, where his warm doctor won many fans. He also played a long-running role in the comedy series Rude Miss Young-ae.

Popular roles

In Mr. Sunshine, he plays King Gojong, the weak but human ruler of a falling kingdom. In Love Next Door (2024), he plays Choi Kyung-jong, the heroine's father, whose family scenes give the romance its warm base. His fathers and leaders always feel honest rather than perfect.

Recent work

In No Tail to Tell (2026), he plays Hyeon Sang-cheol. Lee Seung-joon keeps moving between stage and screen, choosing steady, meaningful work over fame. Fans love his calm presence and the truth he brings to small moments. Explore his drama guides on Oxfea to see his best roles.