The Worst Evil

Ji Chang-Wook

Park Joon-mo

Ji Chang-Wook

Kwon Seung Ho

Wi Ha-joon

Jung Ki-cheol

Im She-mi

Yoo Eui-jung

Seung-Hyeon Ji

Seok Do-hyung

Lee Shin-Ki

Seo Jong-ryeol (Gangnam Union's member)

Rae-Hyung Cha

Hong Hee-seong (Gangnam Union's member)

Jung-hun Lee

Jo Chang-sik (Prosecutor)

Im Sung-jae

Choi Jeong-bae (Gangnam Union's member)

Bae Myung-Jin

Bae Yong-dae (Gangnam Union's member)

Lee Han-ju

Jeong Byeong-woo (Gangnam Union's member)

Bibi

Lee Hae-ryeon

Ji-Hoon Park

Jo Kang-san

Hyeong-gook Im

Tsuyoshi Oyama (Yakuza)

Yoon Kyung-ho

Hwang Min-goo

Kim Bum-Soo

Detective Go (Min-gu's partner)

Choi Seong-Hyuk

O Gyeong Jin (Gangnam Union's member)

Jung Eui-gap

Kang Geon (Busan Gang's member)

Woo Kang-min

Bok-nam (Jaegeon Gang's member)