Lee Sang-jun

as Yoon Han-rim (12 episodes)

as Cha Seung-woo / Spicy Seungwoo (12 episodes)

as Kim Seung-won (10 episodes)

as Kim U-sung (14 episodes)

as Song Ki-baek [Teen] (1 episode)

as Park Do-jun (50 episodes)

as Color Guard Member (16 episodes)

as Lee Jae-hyeok (16 episodes)

as Pink Soldier (1 episode)

as Cha Eun-seong (16 episodes)

as Kim Dae-Il

as Jeong Min-goo

as Kim Dae-il (1 episode)