Song Deok-ho

as Young Jang-su

as Oh Ryun-koo

as Yong-sik's Son

as Seo Yu-ra's Boyfriend (1 episode)

as Jeong-ho

as Seo Hae-ahn (16 episodes)

as Song Ho-Min (16 episodes)

as Male Student 1

as Ji Won-tak / Han Se-jin (16 episodes)

as Kwak Do-seok (3 episodes)

as Player

as Jo Jong-geun (4 episodes)

as Staff

as KWMC Resident (1 episode)

as Neighbor

as Jae-hoon's friend (1 episode)

as Peter

as Rapper

as Part-time Employee