Seong Gi-Hun

Lee Jung-jae

Kang Sae-byeok

HoYeon Jung*

Cho Sang-Woo

Park Hae-soo

Seong Ga-yeong

Cho Ah-in

Oh Il-Nam

Oh Yeong-su

Sae-byeok's brother

Park Si-wan

Joon-ho

Wi Ha-joon

'No. 196'

Kim Dong-hyun

Sae-byeok

Jung Ho-Yeon

'No. 062'

Lee Doo-seok

Jang Deok-su

Heo Sung-tae

Manager mask

Kim Byung-cheol

Han Mi-nyeo

Kim Joo-ryoung

'No. 194'

Woo Young-taek

Abdul Ali

Anupam Tripathi

VIP 4

Geoffrey Giuliano

VIP 2

Daniel C Kennedy

VIP 1

John D. Michaels

'No. 271'

Min Tae-yul

Kim's subordinate

Lee Woon-san

Dorm owner

Kim Gye-sun

Kim Jin-woo (Police 2)

Kim Min-sik

Ali's wife

Anwesha Purkayastha

'No. 118'

Hong Woo-jin

'No. 250'

Park Ji Hoon

'No. 107'

Park Sun-a

□ Mask

Lee Jung-jun

Surgery Room Guard

Yun Yeong-keol

Ha Sun-young

Wie Ji-Yeon

Director

Hwang Dong-hyuk