Heo Sung-tae

as Kang Beom-ryong

as Lee Gang-pung

as Oh Nam-hyuk

as Ko Man-sik

as Self

as Detective Park

as Self

as Jeong Chae-man

as Park Jeong-gyu

as Self

as Self

as Self

as Roh Sang-cheon

as Seo Tae-suk

as Koo Hae-jun

as Jang Chul-sung

as Choi Tae-sung

as Self

as Yoon Byung-wook

as Cho Won-pyo

as Mr. Seo

as Kim Jae-sun

as Jang Deok-su / Player 101

as Self - Host

as Self

as 김영만

as Lee Chang-jin

as Male boss

as Vipers' Leader

as Hyeong-do

as Prosecutor Choi

as Busan Weed

as Noh Suk-hyon, owner

as Self

as Jang Hae-Ryong

as 동혁

as Ueda

as Lee Jeong-rang

as Kwan Sung-woo

as Lim Sang-sik

as Tae Hoon

as Hong Jung-Soo

as Self

as Self

as Kim Hyeong-Beom

as Jang Du-chil

as Hyeong-bae

as Baek Sang-Ho

as Yong Gol-dae

as Dok-sa

as Jung Ho Young

as Ha Il-soo

as Self

as Self

as Patient 1

as Male Resident 3

as Mr. Park

as Soldier

as Self

as Self

as Baek Sang-gil