Riven

Kim Woo-bin

as '5-8'

Kang You-seok

as Yoon Sa Wol

Esom

as Jung Seol-a

Song Seung-heon

as Ryu Seok

Kim Eui-sung

as Tick-tock Grandpa

Nam Kyung-eup

as Chairman Ryu Jae Jin

Jin Kyung

as Chae Jin Kyung [President of Korea]

Roh Yoon-seo

as Jung Seul Ah

Lee Ju-seung

as Useless

Lee Sang-jin

as Dumb-dumb

Lee E-dam

as 4-1

Lee Soon-won

as 3-3

Heo Hyung-kyu

as 1-3

Bae Myeong-jin

as 2-4

Yoo In-hyuk

as 4-2

Jang Mi-kwan

as 5-2

Zo Zee-an

as 6-3

Kim Ki-bang

as Informant

Choi Seung-hoon

as Yoon Sa Wol (young)

Bae Yoo-ram

as 5-7

Yoo Hyuk-jae

as 8-9

Yang Jung-doo

as 8-2

Han Sang-gil

as 7-3

Lee Sung-wook

as Director Oh Ji Hwan

Yoo Yeon-soo

as [Defense Minister of Korea]

Im Sung-jae

as Sergeant Lee

Kim Ah-hyeon

as Jung Seul Ah (young)

Jo Ji-seung

as Hyun Soo [The Winners]

Kim Min

as Joo Kyung Nam [The Winners]

Kwon Dong-ho

as Park Se Seung [The Winners]

Kim Dong-yeon

as Winner #3

Song Wook-kyung

as

Kim Keum-soon

as cleaning lady

Yoo Jang-young

as

Ahn Hyun-bin

as

Kim Seo-kyung

as Tattoo man

Cho Ui-seok

Director

Cho Ui-seok

Writer

Primary

Original Music Composer