Kwak Jung-wook

as Ki-tae

as Chi-woon (20 episodes)

as Im Duk Won (4 episodes)

as Oh Jung-ho (16 episodes)

as Jung Maro (16 episodes)

as Min-woo

as Yang Kang-mo (8 episodes)

as Han Jung-Wook (1 episode)

as young Bojong (62 episodes)

as Tae-seung (young) (20 episodes)

as teenage Ha-eun (24 episodes)

as Young Lee Ji-hwan