Yeon Jun-seok

as Lee Cheol-gi (12 episodes)

as Oh Young-Min (32 episodes)

as Jae-hoon

as Park Ga-Ram (32 episodes)

as San-dol

as Bae Dal Soo (6 episodes)

as Lee Min-Sung (2 episodes)

as 태석 (1 episode)

as Kim Dong-woo (21 episodes)

as Han Yi-soo (young) (20 episodes)

as Ri Cheol-ryong (124 episodes)

as Jin-Woo

as Tae-Seok (1 episode), as Lee Kang-Woo (1 episode)

as Go Eun-woo (28 episodes)

as Han-woo (20 episodes)

as Myung-ho (young)