Full Credits
19 members

Kang Ye-won
Kang Su-a

Lee Sang-yun
Na Nam-su

Choi Jin-ho
Jang Hyung-sik

Ji Dae-han
Kang Byung-joo

Kim Jong-soo
Director Cha

Cheon Min-hui
Mi-ro

Lee Hak-ju
Dong-sik

Jang Tae-seong
Depeartment Head Gu

Yoo Gun
Woo-jin

Choi Youn-so
Ji-young

Jo Jae-yun
Detective Park

Kil Hae-yeon
Su-a's mother

Kim Han-jong
Balbari

Kim Won-jung
Section Cheif Kim

Park Se-jin
(uncredited)

Lee Kyu-ho
Camera

Ahn Ji-hye
Yeo Kyung

Kim Ho-won
Doctor
Mo Jeong-min
Elderly Patient in Mental Hospital 1
15 members
Lee Cheol-ha
Director
Valentine
Writer
Kim Je-young
Adaptation
Kim Na-deul
Adaptation
Yoo Young-seon
Adaptation
Kim Yoon-mi
Executive Producer
Kim Yo-hwan
Producer
Sung Yoon-yong
Sound Supervisor
On Se-woong
Production Sound Mixer
Chung Hye-won
Production Design
Chae Kyung-hwa
Costume Design
Kim Woo-hyun
Editor
Steve M. Choe
Editor
Kim Won-jung
Martial Arts Choreographer
Park Sun-hong
Lighting Director