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 Hyuk-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