Lee Jeong-heon
Analyst

Nam Kyung-eup
Chief Detective Oh

Jo Soo-jung
Oh Eun-ah

Jung Si-yeon
Ah-ri

Kim Yeol
Kang Hye-won
Lee Jeong-u
Min Byeong-do

Ahn Ju-mi
Young Kang Hye-won
Jo Yong-jae
Detective

Kwon Hyeok-pung
Sung-ho's father

Ju Seok-tae
Seo-young's Senior