Kim Young-jun

as Ahn Do-Hyeok (16 episodes)

as Oh Kyeong Seok (5 episodes)

as Hwang Young Joon (16 episodes)

as Neighbor with Pinocchio syndrome (2 episodes)

as Seol Jang-woo

as Yang Moon-Kyu (75 episodes)

as Se Joon (22 episodes)

as Jin-won

as Tracksuit

as Pink

as Joon-hyeong