David Lee

as Kim Gun

as Da-wit

as Wedding Photographer

as Self

as Min-su / Player 125

as Park Min-su / Player 125

as Hae-su

as Seo Ji-ho

as Do-hyun

as Nam-woo

as Lee Ho-jin

as Seol Ji-won

as Go Joseph

as Kwang-kuk

as Kim Yong-Dae

as Eun-chan

as Chil-bok

as Jung Hoon

as Hoon

as Yeong-hoon

as In-guk

as Kim In-rang

as King Myung Jong

as Gae-deok

as Park Min-joon

as Jo Seo-in

as Seung-ho (segment "Ghost")

as Park Shin-woo

as Kim Joon

as Yoon Jung Yoon

as Ji Sang [Young]

as Young Romance Joe

as Park Se Myung

as Young Nam-yi

as Nam Seong-sik

as Dong-woo

as 16-year-old Seung-ho

as Seung Ho [16 years old] {Chapter 1, Year 1985}

as Jong-wook

as Seok Yi

as Young Park Ji-min

as Ji Ho

as Cha-dol / Shi-hoo (young)

as Prince Euneon

as Tae-gi

as Prince Sun Hwa