Lee Sun-ho

as Seo Tae-yang

as Han Jae-hyeok

as 물고기 동생

as Oh Doo-min

as Won-Young

as Jun Sang

as Seung-woo

as Tae-in

as Assistant director

as Tae-In

as Kim Seong-min

as Bang Ja

as Lee-Ahn

as Northern soldier

as (cameo) (uncredited)

as Ahn Kawamura

as Self