Gong Yoo
Seok-woo
Kim Su-an
Soo-ahn
Jung Yu-mi
Sung-gyeong
Ma Dong-seok
Sang-hwa
Choi Woo-shik
Yeong-gook
An So-hee
Jin-hee
Kim Eui-sung
Yong-suk
Ye Su-jeong
In-gil
Park Myung-shin
Jong-gil
Choi Gwi-hwa
Homeless Man
Jeong Seok-yong
Captain of KTX
Kim Chang-hwan
Kim Jin-mo
Jang Hyuk-jin
Ki-chul
Shim Eun-kyung
Stowaway
Lee Joo-sil
Seok-woo's Mother
Kim Jae-rok
Mr. Kim
Baek Seung-hwan
Survivor (uncredited)
Yeon Sang-ho
Control Room (uncredited)
Choi Woo-sung
Infected (uncredited)
Cha Chung-hwa
Mountaineering Woman
Kim Won-jin
Embarrassing Youth
Han Ji-eun
Earphones Girl
Han Sung-soo
Train Attendant
Lee Jung-ok
Suit
Kim Joo-heon
Baseball Team Manager
Kim Keum-soon
Survivor
Chyu Kwang-hyun
Infected
Jung Young-ki
Captain Min (voice)
Ok Joo-ri
Survivor
Kim Woon
Infected (uncredited)
Jeon Ye-eun
Infected (uncredited)
Do-im Woo
Cabin Attendant Min-ji
Song Ji-hyuk
Baseball Team