Sul Kyung-gu
Kang Chul-joong

Lee Sung-jae
Jo Kyu-hwan

Kang Shin-il
Eom Chung-il

Kim Jung-hak
Kim Young-soo

Do Yong-gu
Detective Nam

Ahn Nae-sang
Detective Lee

Lee Moon-sik
Lee Ahn-soo

Sung Ji-ru
Dae-kil

Yoo Hai-jin
Yong-man

Lee Kan-hee
Mrs. Jo

Lee Jeong-heon
Sticky Note

Ki Joo-bong
Song Haeng-ki

Kim Yoon-ah
Yong-man's Second Daughter

Kim Hee-seon
Yong-man's Colleague

Park Seoung-tae
Kim Young-soon

Seo Tae-hwa
Choi Hyeong-do

Yang Eun-yong
Young-shin

Lee Seok-ku
Captain Park

An Jin-soo
Go Heung-sik

Yang Jae-seong
Branch Manager

Yun Mun-sik
Jeon Woo-cheol

Kim Gyeong-ryong
Kim Deok-song

Kim Kang-il
Choi Doo-sik

Yoo Myeong-sun
Chul-joong's Mother

Kwon Byung-gil
National Forensic Service Chief

Ahn Suk-hwan
Detective Inspector

Jeon Su-gyeong
Bottled Water Lady

Lim Seung-dae
Chief Yoon

Min Kyung-jin
CEO of Colatech

Kwon Tae-won
Detective Choi

Yoo Hyung-gwan
Taxi Driver

Han Seong-sik
National Forensic Service Researcher

Choi Min-geum
Old Woman

Kim Ki-beom
Yongsan Prefecture Detective 1

Kim Kyung-sik
Yongsan Prefecture Detective 2

Kim Min-kyung
Heung-sik's Wife

Byun Shin-ho
Restaurant Owner

Cho Yong-soo
Detective

Kim Ha-eun
Yong-man's Girlfriend

Park So-jung
Young-shin's Friend

Heo Myeong-haeng
Meat

Seo Beom-sik
Cubed Radish Kimchi Customer 5