Yoo Ah-in

Oh Joon-woo

Park Shin-hye

Kim Yoo-bin

Lee Hyun-wook

Lee Sang-chul

Jin So-yeon

Elena Kim

Kim Hak-seon

Joon-woo's Father

So Hee-jung

Joon-woo's Mother

Joo Bo-bi

Joon-woo's Sister

Jeon Bae-soo

Masked Man

Lee Chae-kyung

Masked Man's Wife

Oh Hye-won

Police Officer

Jeon Woon-jong

Firefighter

Son Kyoung-won

Security Guard Infectee

Lee Kyu-ho

Fat Infectee

Jang Ji-gun

Ramen Commercial Model

Yoo Yeon

Sweater Middle-Aged Woman

Jang Ui-don

Veranda Glass Door Man

Kim Hyun-woo

SART1

Lee Seung-jin

SNS Man

Yang Mal-bok

Student's Mother

Na Gyeong-cheol

News Reporter

Lee Dong-kyu

News anchor

Chantal Perron

Detective

Ko Na-young

Infected 2

Kim Yoon-do

Infected 5

Kim Dan-bi

Infected 6