Ryu Seung-soo
Ryu Seung-soo (류승수) is a South Korean actor with Npio Entertainment, best known as Kwon Yong-gook in Winter Sonata (2002).

Beyond the screen.
Ryu Seung-soo (류승수) is a South Korean actor with Npio Entertainment, best known as Kwon Yong-gook in Winter Sonata (2002) and Kang Seok-goo in Love in Disguise (2026).
Early life
Ryu Seung-soo was born on August 12, 1971, in Suyeong-gu, Busan, South Korea. He began acting in 1997 and has worked in Korean film and television for many years.
Career and breakthrough
Ryu Seung-soo played Kwon Yong-gook in Winter Sonata (2002), a romance and drama series. Years later, he plays Kang Seok-goo in Love in Disguise (2026), a comedy, drama, crime, action and adventure series. His long career stretches from an early classic to new work in 2026.
A career, chapter by chapter.
Selected drama roles
- Winter Sonata — Kwon Yong-gook
- Love in Disguise — Kang Seok-goo
Explore the drama guides
Choose a title for its story, cast and release details.
- Winter Sonata — Romance · Drama
- Love in Disguise — Comedy · Drama · Crime · Action & Adventure
Stories to find them in.
Selected credits in the Oxfea collection.
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