Tunnel: Reparto
Choi Jin-hyuk
Park Gwang-Ho
Yoon Hyun-min
Kim Sun-Jae
Lee You-young
Shin Jae-Yi
Jo Hee-bong
Jeon Sung-Sik
Kim Byung-chul
Kwak Tae-Hee
Kang Ki-young
Song Min-Ha
Kim Min-sang
Mok Jin-Woo
Cha Hak-yeon
Park Gwang-Ho
Kim Dong-young
Jun Sung Shik [Young]
Lee Xia
Shin Yun Suk
Moon Sook
Hong Hye Won
Heo Sung-tae
Jung Ho Young
Ham Seong-min
Jung Ho Yeong [Young]
Yang Joo-ho
Oh Ji Hoon [Reporter, 1986] | [Taxi Driver, 2017]
No Tae-yeob
Mok Jin Woo [Young]
Kim Jung-hak
Kim Wan
Yoon Jin-sol
Da Yeong's friend
Cho Seung-yeon
Police Station Section Head Chief
Yoo Dam-Yeon
Lee Nan Young
Choi Seung-hoon
Mok Jin Woo [Child]
Hong Gi-jun
Detective
Seok Bo-bae
Seo Hee Soo
Park Myung-shin
Lee Sun Ok
Lee Young-hee
Jung Sook's mother