Park Chang-hoon

as Jun-hyuk (10 episodes)

as Couple in Cinema (1 episode)

as Koo Ji-chang (101 episodes)

as [Sign language applicant] (4 episodes)

as Park Dong Hoon (12 episodes)

as Song Hyeon-yi (2 episodes)

as Kim Min-hoon

as Ko Yu Gyeom (8 episodes)

as Police #2

as {When the Wind Blows} Han Byeol

as [Actor] (5 episodes)