Kim Da-mi
Yoon Ena

Son Suk-ku
Kim Hansaem

Kim Sung-kyun
Yang Jeong-ho / Violent Crimes Unit 2 Team Chief

Hyun Bong-sik
Choi San / Violent Crimes Unit 2 Detective

Kwak Ja-hyung
Roh Su-kwang / Violent Crimes Unit 2 Detective

Jang Gyeok-su
Hyeon Ho-geun / Hangang Police Station Chief

Jeong Man-sik
Tae Dong-su / Captain

Ahn So-yo
Yun Go Eun / Criminal Analysis Team Chief

Hong Bi-ra
Byeon Jiyun / Criminal Analysis Team

Kim Doh-yon
Nam Hyeok-su / Criminal Analysis Team

Lee Joo-young
Nam Na Ri / Police

Park Gyu-young
Lee Seung-ju / Sunshine Mental Health Psychiatrist

Ji Su-yeon
Cho Gi Bbeum / Sunshine Mental Health Nurse

Park Seong-yeon
Kong Yeong Im / Ena's Housekeeper

Roh Jae-won
Hwang In Chan / Sunshine Mental Health Psychiatrist

Hwang Jung-min
Oh Cheol-jin

Ji Jin-hee
Yoon Dong-hoon

Park Sung-woong
Kwon Sang-beom

Kim Ye-won
Lee Mi-young