Lee Je-hoon
Dong-gu
Jo Woo-jin
Dr. Jones
Shin Hye-sun
Se-hee
Im Won-hee
Sabdari
Song Young-chang
Sang-gil
Ju Jin-mo
Man-gi
Lee Seong-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
Kim Ha-young
Massage Staff
Yun Se-hyun
Audience 2 at Osong Museum
Kim Woo-hyun
Gang Member
Song Hyeong-su
Secretary