Kim Jong Yoon
Kim Jong Yoon (김종윤) is a South Korean actor best known as Seong Bin in Welcome to Waikiki.

Beyond the screen.
Kim Jong Yoon is a South Korean actor known for steady supporting roles that make every drama feel more real. Comedy fans know him best as Seong Bin in Welcome to Waikiki (2018).
Early life
Born on December 10, 1990, in South Korea, he keeps his private life out of the spotlight. He built his career slowly, taking small parts in television dramas.
Career and breakthrough
In 2017, he played the young Nam Sang-tae in the crime thriller Voice, and picked up small roles in Black and Bad Guys: Vile City.
Popular roles
His best-known role is Seong Bin in Welcome to Waikiki (2018), the sitcom about three friends running a failing guesthouse.
Recent work and why fans love them
More recently, he played Lee Jae-ho in Shadow Detective (2022), and made guest appearances in The Midnight Studio (2024) and Dog Knows Everything (2024).
A career, chapter by chapter.
Selected drama roles
- Welcome to Waikiki — Seong Bin
Explore the drama guides
Choose a title for its story, cast and release details.
- Welcome to Waikiki — Drama · Comedy
Stories to find them in.
Selected credits in the Oxfea collection.
Found your next watch?
Follow a title above to explore its story, cast, and drama details.
Explore the calendar ↗