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.
as Kim Do Young
as Sunwoo Chan
as Kwon Soo-young
as Won-seung
as Self
as Lee Jae-seok
as Choi Yee-jae
as Self
as Park Jong-du
as Self
as Nam Han-jun
as Jay Jun
as Pindol / Kang Sae-dol / Drill-bit
as Myul Mang / Kim Sa-ram
as Hwang Hee
as Grim Reaper
as Kim Moo-Young
as Yang Ming-zhe
as Louie
as Yang Jung-do
as Himself
as Edward
as Lee Hyun
as Prince Gwanghae
as Lee Min-seok / Lee Hyung-seok
as Ahn Young Mo
as Himself
as Jo Won-il
as Yoon Yoon-jae
as Kang Woo
as Self
as Yoo Seung-Gi
as Yoon Yoon-jae
as Self
as Kim Chang-mo & Kim Jeon-seol
as Self
as Self
as Self - Participant
as Self
as Host
as Host
as Director
as Creator