Through the Darkness

Kim Nam-gil

Song Ha-young· 12 ep

Kim So-jin

Yoon Tae-goo· 12 ep

Jin Sun-kyu

Kook Young-soo· 12 ep

Ryeoun

Jung Woo-joo· 12 ep

Lee Dae-yeon

Baek Jun-shik· 12 ep

Jung Soon-won

Nam Il-young· 12 ep

Kim Won-hae

Heo Gil-pyo· 12 ep

Hong Woo-jin

Oh In-tak· 12 ep

Jo Young-jin

Lee Jin-chul· 12 ep

Lee Haney

Im Moo-sik· 12 ep

Kim Hye-ok

Park Young-shin· 12 ep

Seo Dong-gab

Kim Bong-shik· 12 ep

Kong Seong-ha

Choi Yoon-ji· 12 ep

Han Jun-woo

Gu Young-chun· 5 ep

Sun Yul-woo

Detective· 5 ep

Kim Joong-hee

Nam Ki-tae· 5 ep

Jeong Man-sik

Park Dae-woong· 4 ep

Moon Dong-hyeok

Moon Tae-soo· 3 ep

Kim Hyun

Hwa-yeon's mother· 3 ep

Woo Jung-kook

Cho Hyun-gil· 3 ep

Na Chul

Woo Ho-sung· 3 ep

Oh Seung-hoon

Jo Kang-moo· 2 ep

Yoon Hye-ree

Choi Hwa-yeon· 2 ep

Oh Kyung-joo

Bang Ki-hoon· 2 ep

Oh Hee-jun

Kang Yoo-min· 2 ep

Ko Gun-han

Yang Yong-chul· 2 ep

Lee Cheon-mu

Song Ha-young (young)· 2 ep

Noh Ha-yeon

Lee Soo-hyun· 2 ep

Ki Hwan

Soo-hyun's father· 2 ep

Lee Hun-joo

Soo-hyun's mother· 2 ep

Kwon Eun-seong

Lee Ji-wook· 2 ep

Son Young-soon

Lee Chun-young· 2 ep

Kim Gyeong-min

Professor An· 2 ep

Seong No-jin

Forensics examiner· 2 ep

Choi Sol-hee

Yang Ji-sook· 2 ep

Kim Yun-seul

Cotton candy girl· 1 ep

Kim Kwan-mo

Undercover cop in drag· 1 ep

Choi Da-young

Nurse· 1 ep

Hwang Jeong-min

'Turtle' supermarket owner· 1 ep

Heo Seon-haeng

Medical examiner· 1 ep

Kim Deok-ju

Hwa-yeon's landlord· 1 ep

Lee Si-young

Neighborhood single mother· 1 ep

Bang Jung-hyun

Detective· 1 ep

Park Jin-young

Doctor· 1 ep

Cheon Dong-been

Deliveryman· 1 ep

Lee Ki-seop

Kang Jin-goo· 1 ep

Lee Jong-yoon

Jang Deuk-hok· 1 ep

Bae Seong-il

Detective· 1 ep

Jung Chung-gu

Film developer· 1 ep

Park Yu-mil

Lim Hyun-joo· 1 ep

Lee Jae-eun

Mrs. Kim· 1 ep

Jung Young-keum

Hyun-gil's landlord· 1 ep

Choi Nam-wook

Convenience store owner· 1 ep

Ku Sung-hwan

Hwang Dae-sun· 1 ep

Seo Myung-chan

Han Seok-hoon· 1 ep

Hwang In-jun

Detective· 1 ep

Oh Kyu-taek

Man drinking with prosecutor· 1 ep

Hong Ye-ji

Bookstore employee· 1 ep

Lee Geun-hoo

Kwak Man-hyun· 1 ep

Lee Jae-woo

Detective Kim· 1 ep

Kim Bum-joon

Witness· 1 ep

Yoo Yong

Detective· 1 ep

Lee Dong-kyu

Anchorman· 1 ep

Kim Joo-ah

Columbarium employee· 1 ep

Choi Min-hyeok

Victim· 1 ep

Han Dae-gwan

Victim's father· 1 ep

Kim Nak-kyun

Detective· 1 ep

Hong Eun-jeong

Manyeon bus stop woman· 1 ep

Lee Ye-joo

Christmas tree girl· 1 ep

Yoon Ga-i

Lee Cho-won· 1 ep

Noh Eun-ha

ATM woman· 1 ep

Kim Borana

Massage parlor owner· 1 ep

Kim Bong-soo

Ji-sook's father· 1 ep

Kim Bong-hee

Ji-sook's mother· 1 ep