이제훈

Dong-gu

Woo-jin Jo

Dr. Jones

Shin Hye-sun

Se-hee

Im Won-hee

Sabdari

Song Yeong-chang

Sang-gil

주진모

Man-gi

Lee Sung-wook

Gwang-cheol

Park Se-wan

Hye-ri

Park Jin-woo

Squad Chief Oh

Lee Jun-hyeok

Antique Shop Owner

Heo Sung-tae

Vipers' Leader

Ju-Ryoung Kim

Broker

Lee Sang-hee

Janitor

윤영균

Vipers Gang Member

Yoon Byung-he

Mr. Park

김하영

Massage Staff

윤세현

Audience 2 at Osong Museum

Kim Woo-hyun

Gang Member

Song Hyeong-su

Secretary

윤영균

Viper gang member 3

양미선

Chinese customer 2

우강민

Gwang-cheol's gang member