Park Nam-il
Seo In-ha
Lee Hwi-do
Ryoo Hae-gook
Lee Won-sang
Lee Yoo-rim
RU-4 / In-myoung (voice)
Jin-kook
Young Sung-woo
In-ju's ex-boyfriend
In-mo
Lee Jeok-yo
Choi Nam-yi
Self
Choi Hyeon
Park Hyeon-gyu
Han Gi-tae
Ne-mo
Yoon Min-cheol
Tae-sik
Park Hae-il
Jae Woo Seong
Lighting Department First
Park Kyung-ho
Narrator (voice)
Kim Jang-han
Lee Hae-myung
King In-jo
Man in Baseball cap
Jang Tae-jun
Yoon-yeong
Young Man
Monk Shin-mi
Admiral Yi Sun-shin
Nam-sik
Ji-seok
Jang Hae-joon
Director Bong