Cast
Kang Ha-neul
In-su
Kim So-eun
Ghost Girl
Kim Jung-tae
Seon-il
Han Hye-rin
Hyun-ji
Park Doo-sik
Hae-chul
Ju Min-ha
Na-ra
Joo Ah-reum
Sung-hee
Kwak Jung-wook
Ki-tae
Park Choong-seon
Se-he's father
Lee Ah-hyeon
Teacher
Oh Youn-hong
Ah-young's mother
Lee Bom
Hye-jung
Yoon Chan-young
Young In-soo
Yun Yeong-keol
Detective Jung
Park Geun-cheol
Student
Lee Jung-chul
Teacher
Kim Jae-hwa
Ghost
Gyeong Su-jin
Reversal
Jung Ga-eun
Teacher
Ahn Sang-tae
Ahn Sang-soon
Kim Sang-hyeok
Elementary School Vice Principal
Crew
Costume & Make-Up
Jang Joo-hee
Costume Design
Editing
Kim Chang-ju
Editor
Production
Lee Sang-Hun
Producer
Joo Ho-sung
Producer
Lee Hong-Ho
Producer
Lee Hong-Ho
Producer
Lee Jong-ho
Producer
Writing
Lee Jong-ho
Writer