Lee Sun-ho

as Seo Tae-yang (103 episodes)

as Han Jae-hyeok (129 episodes)

as 물고기 동생 (18 episodes)

as Oh Doo-min

as Won-Young

as Jun Sang (122 episodes)

as Seung-woo

as Tae-in

as Assistant director

as Tae-In

as Kim Seong-min (36 episodes)

as Bang Ja (4 episodes)

as Father

as Lee-Ahn (16 episodes)

as Northern soldier

as (cameo)

as Ahn Kawamura (16 episodes)

as Self (91 episodes)