Episode 6 S01 E06

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) 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 Kim Keum-soon (as cleaning lady) Yoo Jang-young Ahn Hyun-bin Kim Seo-kyung (as Tattoo man)

competition post-apocalyptic future dystopia miniseries social injustice class conflict discrimination mysterious found family 2070s dark skilled fighter gritty based on webcomic or webtoon