Han Hyo-joo as Mi-soo

Go Soo as Kang-il

Don Lee as Captain

Kim Seung-o as Yong-soo

Hyun Jyu-ni as Hyun-kyung

Jin Seo-yeon as Ha-yoon

Yoon Se-woong as Chang-ho

Oh Yoo-na as Ji-yeong

Lee Do-ah as Neurologist

Jo Kyung-hoon as Hyeong-goo

Kim Yi Jae as Soo-yeon

Kim Gook-jin as Gook-jin

No Jin-yeong as Jin-yeong

Kim Seo-kyung as Yeong-mo

Park Yong-je as Lawyer Park

Hwang Joon-yeong as Doctor Hwang

Lee Na-kyeong as Jin-joo

Jo Eun-bi as Chief Nurse

Yoon Min-woo as Head

Park Byeong-ryeol as Drunken Woman

Han Je-in as Female Head

Yoo Min-hee as Female Head

Im Jung-sun as Past Recollection Accident Woman

Ha Jeong-hee as Railroad Accident Woman

Choi Min-gyoo as Cop

Jeon Seong-hwan as KEPCO Employee

Lee Sang-eun as Nurse

Ahn Ji-hye as Emergency Nurse Rescuer

Kim Dae-hwan as Accident Site Tattoo Man

Lee Soo-jeong as Poster Magazine Model

Kim Young-woong as Volunteer Rescuer Poster Model

Kim Yoo-ri as Young Mi-soo

Kim Hyuk as Yong-dae

Cho Sung-hyun as Mi-soo's Father

Jung Jin-young as Detective Oh

Yang Dong-geun as Detective Bang

Jo Min-ki as Section Chief

Lee Dong-kyu as Min-kyu

Lee Dal-hyung as Captain of Fire Branch

Kim Tae-ho as Cop