"Wielding a light-up sword through the dark corners of a high school, a nurse with an unusual gift protects students from monsters only she can see."
Jung Yu-mi
as Ahn Eun-young
Nam Joo-hyuk
as Hong In-pyo
Hyun Woo-seok
as Oh Seung-gwon
Park Hae-eun
as Seong A-ra
Kwon Ji-woo
as Lee Ji-hyeong
Park Se-jin
as Jang Radi
Shim Dal-gi
as Heo Wan-su
Lee Suk-hyeong
as Kang Min-u
Oh Kyung-hwa
as Oh Gyeong-hwa
Ko Guk-hee
as High School Student
Lee Kyoung-mi
Director
Chung Se-rang
Novel
Screenplay
Jang Young-gyu
Original Music Composer
Park Sung-hye
Executive Producer
Kim Hyun-jung
Ju Sung-lim
Director of Photography
Hong Ju-hui
Production Design
Ham Hyun-joo
Costume Design
Song Jong-hee
Makeup & Hair
Lee Young-lim
Editor
Park Yong-ki
Sound Supervisor
Shin Yeon-ju
Producer
Choi Jong-ha
Lighting Director
Cho Min-ho
Production Sound Mixer
Park Jin-young
Digital Intermediate
Gwon Hui-cheol
Assistant Director
Han Ji-wook
Line Producer