Seo In Guk (born October 23, 1987) is a South Korean singer and actor specializing in R&B and K-pop . His musical career began in 2009 after winning the talent show Superstar K He subsequently achieved success in acting, starring in the popular tvN series Ответ 1997 Seo In Guk continues to contribute to South Korean pop culture through his musical and acting projects.

• Genres: R&B, K-pop
• Country: Republic of Korea
• Language: Welsh, Korean