★ 10 
Acting
Jaewon
Jaewon is best known for Reply High School. Jaewon was born on February 16, 2008. Jaewon is 18 years old (born February 16, 2008).
- Born
- February 16, 2008 (18 years old)
Biography
Yoo Seong-hyeon, known by his stage name Jaewon, is a Korean artist managed under SM Entertainment.
Known for
★ 10 Filmography
- 2026Reply High SchoolSelf
Frequently asked questions
What movies and shows has Jaewon been in?
Jaewon is best known for Reply High School.
When was Jaewon born?
Jaewon was born on February 16, 2008.
How old is Jaewon?
Jaewon is 18 years old (born February 16, 2008).
Updated: November 11, 2026 ·