Ha Jung-woo
as Lee Jung-soo

Bae Doona
as Se-hyun

Oh Dal-su
as Dae-kyung

Shin Jung-keun
as Captain Kang

Nam Ji-hyun
as Mi-Na

Jeong Seok-yong
as Chief Choi

Lee Han-seo
as Soo-jin

Kim Hae-sook
as Minister

Yoo Seung-mok
as Reporter Jo

Park Hyeok-kwon
as Government Official

Cho Hyun-chul
as Young Rescuer

Lee Cheol-min
as Driller Captain

Han Soo-hyun
as Drone Technician

Kim Seung-hoon
as Public Hearing Moderator

Ye Su-jeong
as Old Mother

Jin Yong-uk
as Construction Worker

Lee Dong-yong
as Construction Worker

Ju Seok-tae
as Employee of Korea Expressway Corporation

Ahn Se-ho
as Driller

Seo Hyun-woo
as SNC Reporter

Lee Sang-hee
as YTN Reporter

Kang Shin-chul
as Agent

Jin Sun-kyu
as Equipment Manager

Yeo Min-Gyu
as Voice of 119 Telephone Operator / Helicopter Agent

Lee Chang-jik
as Veteran Workman

Kim Sung-kyu
as Civic Group 3

Park Jin-woo
as Government Aide

Kim Ooh-jin
as SNC Anchor

Kim Jong-soo
as Drilling Company Executive

Ha Duk-sung
as Mayor

Lee Dong-jin
as Radio DJ