백야행: 하얀 어둠 속을 걷다

Son Ye-jin

— Yoo Mi-ho / Lee Ji-ah

Han Suk-kyu

— Han Dong-soo

Go Soo

— Kim Yo-han

이민정

— Lee Si-yeong

Park Seong-woong

— Cha Seung-jo

차화연

— Seo Hae-yeong

정진

— Park Tae-ho

Im Ji-kyu

— Yak-tong

방중현

— Jo Min-woo

손지나

— Park Mi-yeon

주아름

— Lee Ji-ah (young)

Soo-jung Ye

— Aunt

Han Ye-won

— Na-hyeon

Kim Ji-hyeon

— Hong Yun-mi (uncredited)

Jo Kyung-sook

— Yang Mi-sook (uncredited)

최진호

— Kim Si-hoo (uncredited)

정인기

— Kang Jae-doo (uncredited)

서동수

— Crime lab investigation team leader (uncredited)