Jung Jun-won

as Kwon Tae-sung (14 episodes)

as Ku Do-won (12 episodes)

as Second Lieutenant Park

as Deok-cheon

as Cha Yoon-seok (10 episodes)

as Hyun-seok

as Jung Hyun-joon

as Cha Jin-Ho (16 episodes)

as Chung-sik

as Han Tak (16 episodes)

as Self (1 episode)

as Gun-woo

as K (1 episode)

as Hyun-oh

as Heo Yoon-ki

as Deok-cheon

as Hyun-oh

as Hoon

as Chang-seok

as Kim Joong-han

as Kook Jong-Bok (40 episodes)

as Korean Student

as Poet

as Stranger