Seo In-guk
Known For: Acting
Gender: Male
Date of Birth: October 23, 1987 (37 years old)
Place of Birth: Ulsan, South Korea
Seo In-guk (서인국) is a South Korean singer and actor. He launched his singing career after winning the talent reality show Superstar K in 2009, and made his acting breakthrough in tvN's Reply 1997.