Riven

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 Doa

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

Hyeon Chang-jo

Props

Lee Gang-hee

Assistant Editor

Kim Jang-mi

Assistant Director

Lee Seu-ra

Storyboard

Jeong Gi-hoon

Director

Choi Chul-su

Lighting Director

Kim Tae-young

Key Grip

Kim Ji-hwan

Production Sound Mixer

Lee Jong-seok

Line Producer

Jeong Gi-hoon

Writer

Park Sang-Min

Writer

Kim Chang-ho

Lighting Technician

Park Yong-su

Director of Photography

Dong Hee-sun

Adaptation

Hong Yoon-jeong

Adaptation

Kim Jin-sook

Makeup & Hair

Lee Min-hwa

Production Supervisor

An Ji-hyeon

Costume Design