Mantis

Yim Si-wan

as

Lee Han-wool /...

Park Gyu-young

as

Shin Jae-yi

Choi Hyun-wook

as

Benjamin Jo

Bae Gang-hee

as

Yang Soo-min

Hwang Sung-bin

as

Puma Lee

Yoo Su-bin

as

Kim Dong-yeong

Jeon Bae-soo

as

Nam Bae-soo

Jo Woo-jin

as

Dok-go

Sul Kyung-gu

as

Cha Min-gyu

Jeon Do-yeon

as

Gil Bok-soon

Yang Dong-geun

as

Gwang-cheon / ...

Kim Joon-bae

as

Mr. Bae

Park Kang-seop

as

Manager Yoo

Do Yu

as

Secretary

Ahn Seong-bong

as

M.K Informatio...

Seo Ji-oh

as

Leaflet

Esom

as

Cha Min-hee (a...

Koo Kyo-hwan

as

Han Hee-sung (...

Kim Seung-o

as

Shin (archive ...

Lee Yeon

as

Kim Young-ji (...

Choi Byung-mo

as

Hyun-chul (arc...

Kim Ki-cheon

as

Su-guen (archi...

Park Kwang-jae

as

Gwang-man (arc...

Jang In-sub

as

Yoon-sub (arch...

Hwangbo Jung-il

as

Bar owner

Park Seok-won

as

Tatto man

Hwang Jin-woon

as

Young Han-wool

Park Gyu-bin

as

Young Jae-yi

Kim Chil-doo

as

Old man

Shin Sung-il

as

Protester

Ha Seon-jae

as

Bar friend

Ryu Seong-cheol

as

Ssang-bong

Oh Chi-woon

as

Cleaner

Aerok Kim

as

Tatto Killer

Jang In-seo

as

JB Enter. Kill...

Han Sang-kyung

as

Airport Killer