Son Ye-jin character Yoo Mi-ho / Lee Ji-ah
Han Seok-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
Jeong Jin character Park Tae-ho
Im Ji-gyu character Yak-tong
Bang Joong-Hyun character Jo Min-woo
Yoon Da-kyung character Park Mi-yeon
Jeong In-gi character Kang Jae-doo
Joo Da-young character Lee Ji-ah (young)
Ye Soo-jung character Aunt
Han Ye-won character Na-hyeon
Kim Ji-hyeon character Hong Yun-mi
Jo Kyung-sook character Yang Mi-sook
Choi Jin-ho character Kim Si-hoo
Seo Dong-Soo character Crime lab investigation team leader
