as Kai

as Jang Tae Hwa

as 김산

as Hwang Gi-nam

as

as Jong-su

as Jang Deok-jun

as Jo Cheol-gang

as Oh Jin-pyo

as Father Hong

as Do Ji-Han

as Oh Man-seok

as Kyung-suk

as Mr. Oh

as

as Eun-Dong

as Bus driver

as Self

as [Choi Ki Chan's colleague detective]

as Heo Se-Dal

as Jin Dong-soo

as Sun Woo-Yeong

as Himself

as Self

as Swy

as Crown Prince Sado

as Kim Jong-mok

as

as Jin-woo Han

as Kyung-ju

as Himself

as Kim Cheo-sun

as Jeom Park-yi

as Narrator

as Sponge

as Choi Jin-beom

as Jang Taek-gi

as Wonhyeon

as Alex