Jung Jae-young

as Det. Choi Hyung-goo

Park Si-hoo

as Lee Doo-suk

Jung Hae-kyun

as Jay

Kim Young-ae

as Han Ji-soo

Choi Won-young

as Jung Tae-suk

Kim Jong-goo

as Snake Hunter

Jang Kwang

as Director

Cho Eun-ji

as Choi Kang-sook

Oh Yong

as Kang Do-hyeok

Park Woong

as Director Kim

Min Ji-a

as Jung Soo-yeon

Kim Min-sang

as Jung Min-kwon

Jo Eun-joo

as Announcer Woman

Han Sa-myeong

as Young Kang Do-hyeok

Nam Jung-hee

as Old Woman

Lee Jae-goo

as PD Park

Son Jong-hak

as National Debate Moderator

Ryoo Je-seung

as Hyun-sik

Choi Hee-jin

as Reporter

Lee Bong-ryeon

as Fanclub

Kim Dae-jin

as Detective