유아인

Oh Joon-woo

Park Shin-hye

Kim Yoo-bin

Lee Hyun-wook

Lee Sang-chul

진소연

Elena Kim

Kim Hak-sun

Joon-woo's Father

소희정

Joon-woo's Mother

주보비

Joon-woo's Sister

Jeon Bae-soo

Masked Man

Lee Chae-kyung

Masked Man's Wife

오혜원

Police Officer

전운종

Firefighter

손경원

Security Guard Infectee

Lee Kyu-ho

Fat Infectee

Jang Ji-gun

Ramen Commercial Model

유연

Sweater Middle-Aged Woman

Jang Ui-don

Veranda Glass Door Man

김현우

SART1

이승진

SNS Man

Yang Mal-bok

Student's Mother

나경철

News Reporter