So Joo-yeon
Eun-ha
Acting
Kim Min-gue
Min-woo
Acting
Choi Hee-jin
Jeong-yoon
Acting
Kim Tae-min
Dong-il
Acting
Kim Young
Woo-sung
Acting
Shin Jae-seung
Byeong-yoon
Acting
Park Jin
Hae-guk
Acting
Kang Se-jung
Mi-joo
Acting
Lee You-mi
Byun Ji-eun
Acting
Lee Han-seo
Chairman Choi's Daughter
Acting
Ji Dae-han
Man at the Internet Cafe
Acting
Jin Yong-uk
Homeroom Teacher
Acting
Seo Min-chae
Female Teacher
Acting
Lim Han-bin
Eun-Sung
Acting
Kyeong-hee Han
Eun-ha's mom
Acting
Seo Ki-wook
Student at the Internet Cafe 1
Acting
Kim Hyung-tae
Student at the Internet Cafe 2
Acting
Park Ji-yeon
Client at the Internet Cafe 2
Acting
Park Ji-hye
Client at the Internet Cafe 3
Acting
Park Su-kyeong
Client at the Internet Cafe 4
Acting
Sim Kyu
Police Officer 1
Acting
Kim Min-seong
Police Officer 2
Acting
Bae So Yeon
Escape Room Cafe Manager
Acting
Sim Mi-so
Escape Room Cafe Staff
Acting
Hwang Shin-hye
Classroom Ghost Cameo
Acting
Jeon Hyeon-soo
Ghost 1
Acting
Shin Ha-rang
Ghost 2
Acting
Kim Ga-ae
Ghost 3
Acting
Lee Sang-kang
Ghost 4
Acting
Kim Hyun-woo
Ghost 5
Acting
Su-hyeon Hong
Ghost 6
Acting
Yoo In-jae
Master
Acting
Byeon Se-in
Citizen 1
Acting
Seong Won-jeong
Citizen 2
Acting
Kim Yu-jin
Citizen 3
Acting
Kim Mi-hwa
Citizen 4
Acting
Heo Yeong-cheol
Citizen 5
Acting
Gwe Dok-ran
Citizen 6
Acting
Lim Min-sun
Citizen 7
Acting
Jeon Hyung-ju
Citizen 8
Acting
Joo Dong-wook
Citizen 9
Acting
Sang-sun Kim
Citizen 10
Acting
Kim Jeong-hwi
Citizen 11
Acting
Song Shi-yeol
Citizen 12
Acting
Lee Yeong-eun
Citizen 13
Acting
Choi Won-hyuk
Citizen 14
Acting
Hong Ji-eun
Citizen 15
Acting
Choi Mi-rae
Citizen 16
Acting
Kang Na-Young
Citizen 17
Acting
Nam Young-ran
Citizen 18
Acting
Hong Hyun-kyeong
Citizen 19
Acting
Yeo Eun-chae
Citizen 20
Acting
Cha Eun-woo
Citizen 21
Acting
Kim Jeong-sook
Citizen 22
Acting
Kim Jeong-sook
Student 1
Acting
Seo Kyoung-hoon
Student 2
Acting
Kong Jong-hyeon
Student 3
Acting
Min Seon-jae
Student 4
Acting
Kim Jin-young
Student 5
Acting
Lee Dong-gyu
Student 6
Acting
Hyo-jun Park
Student 7
Acting
Moon Jeong-bin
Student 8
Acting
Kim Hyo-won
Student 9
Acting
Kim Da-jin
Student 10
Acting
Lee Dong-hee
Student 11
Acting
Choi Seo-hyun
Student 12
Acting
Kim Soo-bin
Student 13
Acting
Yoon Ji-won
Student 14
Production
Lee Yeon-woo
Student 15
Acting
Yoon Ji-in
Student 16
Acting
Lee Won-sang
Student 17
Acting
Lee A-ri
Student 18
Acting
Lee Ji-won
Student 19
Acting
Si-eun Kim
Student 20
Acting
Song Jeong-hyuk
Student 21
Acting
Shin Eun-jung
Student 22
Acting
Oh Hye-jin
Student 23
Acting
Kim Min-su
Student 24
Acting
Lee Jung-ah
Student 25
Acting
Yeon Seung-ju
Student 26
Acting
Oh Won-jun
Student 27
Acting
Han Dong-hoon
Student 28
Acting
Kim Yeong-Gyu
Student 29
Acting
Choi Jae-min
Student 30
Acting
Min Da-eun
Student 31
Acting
Kim Se-yeon
Student 32
Acting
Lee Pil-mo
Chairman Choi
Acting
Lee Young-ee
Special Appearance
Acting
Alyssa Soebandono
Miya
Acting
Dude Harlino
Hinata
Acting
Sayuri Matsumura
So-yeon
Acting
Rima Matsuda
Yoon-hee
Acting
Kurumi Shimizu
Jin-hee
Acting
Aki Asakura
Yeong-ju
Acting
Yuki Kashiwagi
Ju-yeon
Acting
Sakurako Okubo
Lia
Acting