Lee Sang-yeob
Lee Sang-yeob (이상엽) is a South Korean actor loved for While You Were Sleeping and Once Again. Explore his biography, dramas and best roles on Oxfea.

Beyond the screen.
Lee Sang-yeob is a South Korean actor known for warm lead roles and sharp villain parts. Born on 8 May 1983 in Seoul, he became widely loved through While You Were Sleeping (2017) and the family hit Once Again (2020). He is also a familiar face on popular variety shows.
Lee Sang-yeob is 182 cm (5 ft 11 in) tall, according to his published profile.
Early life
Lee Sang-yeob grew up in Seoul and first dreamed of acting as a young man. He made his acting debut in 2007 in the drama A Happy Woman. In his early years he took many supporting roles and learned his craft step by step on busy drama sets, always ready to play both kind and cold characters.
Career and breakthrough
His name became known with The Innocent Man (2012), where he played Park Joon-ha. He kept growing with Jang Ok-jung, Living by Love (2013) and A Little Love Never Hurts. His turning point came in While You Were Sleeping (2017), where he played Lee Yoo-beom, a kind-looking lawyer who slowly turns bad. The cold, smiling villain made a strong mark on viewers.
Popular roles
In 2020 he led the weekend family drama Once Again as doctor Yoon Gyu-jin. The show was a giant hit in Korea and made him a true household name. He also showed a lighter side in the spy comedy Good Casting (2020) and the office drama On the Verge of Insanity (2021). Fans enjoy his gift for both tears and laughter.
Recent work
He played a chaebol heir in Eve (2022) and a kind boxing coach in My Lovely Boxer (2023). He is also loved as a cast member of the variety show The Sixth Sense, where his shy and funny style wins many fans. With his friendly image and solid acting, he stays one of Korea's most trusted leading men.
A career, chapter by chapter.
Selected drama roles
- While You Were Sleeping — Lee Yoo-beom
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Stories to find them in.
Selected credits in the Oxfea collection.
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