Tunnel

Choi Jin-hyuk

Park Gwang-Ho· 16 ep

Yoon Hyun-min

Kim Sun-Jae· 16 ep

Lee You-young

Shin Jae-Yi· 16 ep

Jo Hee-bong

Jeon Sung-Sik· 16 ep

Kim Byong-chul

Kwak Tae-Hee· 16 ep

Kang Ki-young

Song Min-Ha· 16 ep

Kim Min-sang

Mok Jin-Woo· 16 ep

Cha Hak-yeon

Park Gwang-Ho· 16 ep

Kim Dong-young

Jun Sung Shik [Young]· 16 ep

Lee Shi-a

Shin Yun Suk· 16 ep

Moon Sook

Hong Hye Won· 16 ep

Heo Sung-tae

Jung Ho Young· 16 ep

Ham Seong-min

Jung Ho Yeong [Young]· 16 ep

Yang Joo-ho

Oh Ji Hoon [Reporter, 1986] | [Taxi Driver, 2017]· 16 ep

No Tae-yeob

Mok Jin Woo [Young]· 16 ep

Kim Jung-hak

Kim Wan· 16 ep

Yoon Jin-sol

Da Yeong's friend· 16 ep

Cho Seung-yeon

Police Station Section Head Chief· 16 ep

Yoo Dam-Yeon

Lee Nan Young· 16 ep

Choi Seung-hoon

Mok Jin Woo [Child]· 16 ep

Hong Gi-jun

Detective· 16 ep

Seok Bo-bae

Seo Hee Soo· 16 ep

Park Myung-shin

Lee Sun Ok· 16 ep

Lee Young-hee

Jung Sook's mother· 16 ep

Han Yeo-wool

Hwang Choon-Hee· 2 ep

Song Yeong-jae

Kim Tae Soo· 2 ep

Ryu Tae-ho

Jang Yeong Cheol· 2 ep

Jo Si-nae

Kim Young Ja· 2 ep

Kim Hye-yoon

Kim Young Ja [Young]· 2 ep

Jeong Seok-yong

Dr. Kim [Forensic Pathologist, 1986]· 1 ep

Kim Jong-ho

Tailor shop president· 1 ep

Oh Youn-hong

Madam Jeong [Teahouse manager]· 1 ep

Jung Yi-rang

Lee Geum Soon· 1 ep

Choi Won-hong

Yoon Dong Woo· 1 ep

Jung Soon-won

Thief· 1 ep

Choi Myeong-bin

Yoon Soo Jung· 1 ep

Woo Hyeon

Go Man Seok· 1 ep

Jeon Jin-gi

Kim In Hwan· 1 ep

Jin Yong-uk

Lee Dae Hwan· 1 ep

Lee Dong-jin

Hwang Do Kyung· 1 ep

Im Kang-sung

Ma Young Gil· 1 ep

Seo Eun-ah

Kim Mi Soo· 1 ep

Jung Han-bi

Yoon Yeong Joo· 1 ep

Ahn Yong-jun

Kim Hee Joon· 1 ep

Park Jeong-hak

Senior police officer· 1 ep

Lee Yong-nyeo

Yoo Ok Hee· 1 ep

Song Jae-ryong

Kim Kyung Tae· 1 ep

Joey Albright

LT Jim Headley [Tiffany's soldier boyfriend]· 1 ep

Suh Yun-a

Pregnant woman· 1 ep

Kim Min-kyung

Ah Ra's mother· 1 ep

Kim Young-hee

Gambler· 1 ep

Jo Hyun-Jin

Jae Yi's student· 1 ep

Ahn Su-bin

Lee Seo Yeon· 1 ep

Park Jae-Won

Photo Journalist· 1 ep