김휘규

as Ra Byeong-su

as [Library student]

as Motel customer

as No. 173 · 10 episodes

as Cha I Seul [Tae Seong's friend] · 16 episodes

as Ghwa gyung-su

as Brother

as Oh Doo Seok [Mgmt. junior]

as [Interviewer]

as {A Sense of Humor} Seok Gu | {We're Family when We're Apart} [Love letter guy]