Lee Je-hoon

Dong-gu

Jo Woo-jin

Dr. Jones

Shin Hae-sun

Se-hee

Im Won-hee

Sabdari

Song Young-chang

Sang-gil

Ju Jin-mo

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

Kim Joo-ryoung

Broker

Lee Sang-hee

Janitor

Yoon Yeong-gyun

Vipers Gang Member

Yoon Byung-hee

Mr. Park

Yoon Se-hyun

Audience 2 at Osong Museum

Yoon Young-kyun

Viper Gang Member 3

Kim Woo-hyun

Viper Gang Member 5

Song Hyeong-su

Secretary

Yang Mi-seon

Chinese customer 2

Woo Kang-min

Gwang-cheol's gang member

Kim Soo-woo

Massage Staff 1

Kim Ha-young

Massage Staff 2

Nam Ji-woo

Young San-gil's Subordinate

Im Seo-eun

Cafe Owner