Kim Sung-kyu

Kang Gyeong-ho

Lee Seo-hwan

Choi Jeong-gyu

You Chea-myung

Heo Sang-do

Yoon Yeong-gyun

Agent

Yoon Young-kyun

Newbie agent

Jeon Bae-soo

Chief of the Criminal Department

Heo Dong-won

Choi Moon-sik

Billy Acumen

Executive Producer

Don Lee

Jang Dong-su

Ryu Tae-ho

Mr. Ahn

Yoo Seung-mok

Ahn Ho-bong

Oh Hee-jun

Kim Dong-chul

Park Bo-kyung

Victim's Wife

Cha Soon-bae

Judge

Kong Seong-ha

Sale Company Employee

Kim Gyu-ri

Cha Seo-jin

Kim Moo-yul

Jung Tae-suk

Bae Min-jun

Mercedes-Benz Man's Son

Lee Eun-saem

Student

Woo Kang-min

Ha Moo-young

Moon Soon-ju

Gositel Owner

Kim Yoon-sung

Bae Soon-ho

Shin Gi-rok

Manager of Study Room

Lee Won-tae

Director

Woo Sang-jeon

Dog kennel

Lee So-jin

Student

Jung Cheol-ung

Executive Producer