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