H: Cast
Yum Jung-ah
Detective Kim Mi-yun
Ji Jin-hee
Detective Kang Tae-hyun
Cho Seung-woo
Shin Hyun
Sung Ji-ru
Detective Park
Kim Sun-kyung
Dr. Chu Kyung-sook
Lee Eol
Detective Han Jung-woo
Park Yong-su
Chief Jang
Kwon Hyeok-pung
Captain Lee
Kim Roi-ha
Middle-aged Man
Park Gil-su
Bae Yong-man
Kim In-kwon
Heo Young-taek