Heo Chang-kang

Heo Dal-su (ep. 1, 2, 3)

Park Nou-sik

Park Min (ep. 1)

Hwang Hae

Hwang Du-sik (ep. 1)

Song Jae-ho

Boy (ep. 1)

Lee Kang-jo

Mr. Kang (ep. 1)

Choi Mu-ryong

Hyeon (ep. 2)

Yoon Jeong-hee

Hye-suk (ep. 2)

Lee Dae-yub

Yeong-bae (ep. 2)

Dokgo Sung

Hunting Cap (ep. 2)

Choi Sung

Deok-pal (ep. 2)

Seong So-min

Head of the Detective Department (ep. 2)

Choe Jun

Henchman 4 (ep. 2)

Jang Dong-hwi

Jang Yeong-pyo (ep. 3)

Kim Hee-ra

Sang (ep. 3)

Choe Seong-ho

Jeong-sik (ep. 3)

Chang Hyeok

Chang-ho (ep. 3)

Lim Hae-rim

Manager (ep. 3)

Han Myeong-hwan

Henchman 3 (ep. 3)

Cho Chun

Henchman 8 (ep. 3)