Characters played by Ha Jung-woo
Lee Jung-Soo
Characters played by Bae Doona
Se-Hyun
Characters played by Dal-su Oh
Dae-Kyung
Characters played by Shin Jeong-geun
Captain Kang
Characters played by Nam Ji-Hyun
Mi-Na
Characters played by Hyun-Chul Cho
Young guy in rescue team
Characters played by Kim Hae-sook
Minister
Characters played by Seung-mok Yoo
Reporter Jo
Characters played by Hyuk-kwon Park
Government official
Characters played by Park Jin-Woo
Government aide
Characters played by Cheol-min Lee
Captain of drilling team
Characters played by Sung-chun Han
Drone technician
Characters played by Kim Seung-hun
Public hearing moderator
Characters played by Soo-jung Ye
Old mother
Characters played by Jin Yong-wook
construction worker A
Characters played by Lee Dong-yong
construction worker B
Characters played by Joo Suk-tae
employee of Korea Expressway Corporation
Characters played by Se-ho Ahn
Drilling team member
Characters played by Seo Hyun-woo
SNC fellow reporter
Characters played by Sin-cheol Kang
Agent at situation
Characters played by Jin Seon-kyu
Equipment manager
Characters played by Min-gyu Yeo
Voice of 119 telephone operator
helicopter agent
Characters played by Chang-jik Lee
Veteran workman
Characters played by Kim Sungkyu
Civic group member 3
Characters played by Jong-soo Kim
Drilling company executive
Characters played by Gwi-hwa Choi
Person interested in tunnel 2
Characters played by Seok-yong Jeong
Team Leader Choi
Characters played by Byeong-guk Hwang
Gas station owner
Characters played by Yoo-ram Bae
119 rescue worker
Characters played by Han Soo Hyun
Drone technician
Characters played by Sang-hee Lee
YTN news reporter
Characters played by Park Yong
Taxi driver B