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