Yoo Ji-tae

as Han Myeong-hoe

as Narrator (voice)

as J

as Jeong-su

as Self

as Jo Heon

as Self

as Self

as Professor

as Han Jae Hyun

as Self (archive footage)

as Narrator (voice)

as Kim Won-bong

as Beon Ho-pyo

as Kim Dong-soo

as Man 2

as Self

as Park Hee-su

as Choi Kang-Woo

as Cheol-jong

as Self

as Lee Tae-joon

as Kim Moon-ho

as Self

as Bae Jae-chul

as Assassin Osamu Endo

as Han Dong-su

as Jin-woo / Jin-ho

as Kim Chul-Soo

as Kwon Yeon-woo

as Self

as Nomi

as Hyun-woo

as Lee Chi-Soo

as Oh Jin-woo

as Grown Won-mo

as Kim Min-jae

as Lee Munho

as Lee Woo-jin

as R

as Woo Yeong-min

as (voice)

as Sang-woo

as K1

as Hyun-tae

as Hyun-jun

as Ji-in

as Paint

as Do-gi

as Shin Jae-yi