Cheon Ho-jin

as Lee Sang-cheol · 50 episodes

14 episodes

as Director Son's Father

as Center Director · 12 episodes

as Kang Sang-mo · 12 episodes

as Grandpa Viva · 16 episodes

as Yoo Je-se · 16 episodes

as Yeom Je-ho · 16 episodes

as Seo Ki-tae · 12 episodes

as Nam Sang-bae · 16 episodes

as Song Young-dal · 100 episodes

as Teacher Park · 32 episodes