Son Ye-jin

Character: Yoo Mi-ho / Lee Ji-ah

Han Suk-kyu

Character: Han Dong-soo

Go Soo

Character: Kim Yo-han

Lee Min-jung

Character: Lee Si-yeong

Park Sung-woong

Character: Cha Seung-jo

Cha Hwa-yeon

Character: Seo Hae-yeong

Jung Jin

Character: Park Tae-ho

Im Ji-gyu

Character: Yak-tong

Bang Joong-Hyun

Character: Jo Min-woo

Son Ji-na

Character: Park Mi-yeon

Joo Ah-reum

Character: Lee Ji-ah (young)

Ye Su-jeong

Character: Aunt

Han Ye-won

Character: Na-hyeon

Kim Ji-hyeon

Character: Hong Yun-mi (uncredited)

Jo Kyung-sook

Character: Yang Mi-sook (uncredited)

Choi Jin-ho

Character: Kim Si-hoo (uncredited)

Jeong In-gi

Character: Kang Jae-doo (uncredited)

Seo Dong-soo

Character: Crime lab investigation team leader (uncredited)