Tunnel

Kim Seong-hun

Director

Ha Jung-woo

Lee Jung-Soo

Bae Doona

Se-hyun

Dal-su Oh

Dae-kyung

Shin Jeong-geun

Captain Kang

Ji-Hyun Nam

Mi-na

Hyun-Chul Cho

Young guy in rescue team

Kim Hae-sook

Minister

Seung-mok Yoo

Reporter Jo

Hyuk-kwon Park

Government official

Park Jin-Woo

Government aide

Cheol-min Lee

Captain of drilling team

Sung-chun Han

Drone technician

Kim Seung-hun

Public hearing moderator

Soo-jung Ye

Old mother

Jin Yong-wook

construction worker A

Lee Dong-yong

construction worker B

Joo Suk-tae

Employee of Korea Expressway Corporation

Se-ho Ahn

Drilling team member

Kim Seong-hun

Writer