Jang Hyuk as Kang Ji-Koo

Soo Ae as Kim In-Hae

Park Min-ha as Kim Mi-Reu

Yoo Hai-jin as Bae Kyung-Ub

Don Lee as Jeon Kook-Hwan

Lee Hee-jun as Byung-Ki

Lee Sang-yeob as Byoung-Woo

Cha In-pyo as South Korean President

Kim Ki-hyeon as Prime Minister

Park Hyo-ju as Teacher Jung

Park Jeong-min as Chul-Gyo

Choi Byung-mo as Choi Dong-Chi

Kim Moon-Soo as Doctor Yang

Lee Seung-joon as Cop at scene of accident

Jang Kyoung-up as Soldier

Na Ki-soo as Center for Disease Control Director

Nam Moon-chul as Infection Judge

Seon Uk-hyeon as Pharmacist

Seol Chang-hee as Emergency Room Intern

So Hee-jung as Teacher

Andrew William Brand as Dr. Beckman

Park Jin-hyeok as

Kim Hyeong-seok as Emergency Room Intern

Shon Jung-hwan as Police

Lee Geun-hoo as Boundary Line Citizen

Lee Dong-jin as Rescue Swimmer 1