Han Hyo-joo

Mi-soo

Lee Na-kyeong

Jin-joo

Lee Sang-eun

Nurse

Ahn Ji-hye

Emergency Nurse Rescuer

Kim Young-woong

Volunteer Rescuer Poster Model

Kim Hyuk

Yong-dae

Cho Sung-hyun

Mi-soo's Father

Jung Jin-young

Detective Oh

Yang Dong-geun

Detective Bang

Jo Min-ki

Section Chief

Kim Seo-kyung

Yeong-mo

Kim Gook-jin

Gook-jin

Go Soo

Kang-il

Ma Dong-seok

Captain

Kim Sung-oh

Yong-soo

Hyun Jyu-ni

Hyun-kyung

Jin Seo-yeon

Ha-yoon

Yoon Se-woong

Chang-ho

Oh Yoo-na

Ji-yeong

Lee Doa

Neurologist