
Choi Hee-jin
Jeong-yoon
Acting
![Shin Jae-seung]()
Shin Jae-seung
Byeong-yoon
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]()
Seo Min-chae
Female Teacher
Acting

Lim Han-bin
Eun-Sung
Acting
![Kyeong-hee Han]()
Kyeong-hee Han
Eun-ha's mom
Acting
![Seo Ki-wook]()
Seo Ki-wook
Student at the Internet Cafe 1
Acting
![Kim Hyung-tae]()
Kim Hyung-tae
Student at the Internet Cafe 2
Acting
![Park Ji-yeon]()
Park Ji-yeon
Client at the Internet Cafe 2
Acting
![Park Ji-hye]()
Park Ji-hye
Client at the Internet Cafe 3
Acting
![Park Su-kyeong]()
Park Su-kyeong
Client at the Internet Cafe 4
Acting
![Sim Kyu]()
Sim Kyu
Police Officer 1
Acting

Kim Min-seong
Police Officer 2
Acting
![Bae So Yeon]()
Bae So Yeon
Escape Room Cafe Manager
Acting
![Sim Mi-so]()
Sim Mi-so
Escape Room Cafe Staff
Acting

Hwang Shin-hye
Classroom Ghost Cameo
Acting

Jeon Hyeon-soo
Ghost 1
Acting
![Shin Ha-rang]()
Shin Ha-rang
Ghost 2
Acting
![Lee Sang-kang]()
Lee Sang-kang
Ghost 4
Acting

Kim Hyun-woo
Ghost 5
Acting
![Su-hyeon Hong]()
Su-hyeon Hong
Ghost 6
Acting
![Byeon Se-in]()
Byeon Se-in
Citizen 1
Acting
![Seong Won-jeong]()
Seong Won-jeong
Citizen 2
Acting
![Kim Yu-jin]()
Kim Yu-jin
Citizen 3
Acting

Kim Mi-hwa
Citizen 4
Acting
![Heo Yeong-cheol]()
Heo Yeong-cheol
Citizen 5
Acting
![Gwe Dok-ran]()
Gwe Dok-ran
Citizen 6
Acting
![Lim Min-sun]()
Lim Min-sun
Citizen 7
Acting
![Jeon Hyung-ju]()
Jeon Hyung-ju
Citizen 8
Acting
![Joo Dong-wook]()
Joo Dong-wook
Citizen 9
Acting
![Sang-sun Kim]()
Sang-sun Kim
Citizen 10
Acting
![Kim Jeong-hwi]()
Kim Jeong-hwi
Citizen 11
Acting
![Song Shi-yeol]()
Song Shi-yeol
Citizen 12
Acting
![Lee Yeong-eun]()
Lee Yeong-eun
Citizen 13
Acting
![Choi Won-hyuk]()
Choi Won-hyuk
Citizen 14
Acting
![Hong Ji-eun]()
Hong Ji-eun
Citizen 15
Acting
![Choi Mi-rae]()
Choi Mi-rae
Citizen 16
Acting

Kang Na-Young
Citizen 17
Acting
![Nam Young-ran]()
Nam Young-ran
Citizen 18
Acting
![Hong Hyun-kyeong]()
Hong Hyun-kyeong
Citizen 19
Acting
![Yeo Eun-chae]()
Yeo Eun-chae
Citizen 20
Acting

Cha Eun-woo
Citizen 21
Acting
![Kim Jeong-sook]()
Kim Jeong-sook
Citizen 22
Acting
![Kim Jeong-sook]()
Kim Jeong-sook
Student 1
Acting
![Seo Kyoung-hoon]()
Seo Kyoung-hoon
Student 2
Acting
![Kong Jong-hyeon]()
Kong Jong-hyeon
Student 3
Acting
![Min Seon-jae]()
Min Seon-jae
Student 4
Acting
![Kim Jin-young]()
Kim Jin-young
Student 5
Acting
![Lee Dong-gyu]()
Lee Dong-gyu
Student 6
Acting
![Hyo-jun Park]()
Hyo-jun Park
Student 7
Acting
![Moon Jeong-bin]()
Moon Jeong-bin
Student 8
Acting
![Kim Hyo-won]()
Kim Hyo-won
Student 9
Acting
![Kim Da-jin]()
Kim Da-jin
Student 10
Acting
![Lee Dong-hee]()
Lee Dong-hee
Student 11
Acting

Choi Seo-hyun
Student 12
Acting
![Kim Soo-bin]()
Kim Soo-bin
Student 13
Acting
![Yoon Ji-won]()
Yoon Ji-won
Student 14
Production
![Lee Yeon-woo]()
Lee Yeon-woo
Student 15
Acting
![Yoon Ji-in]()
Yoon Ji-in
Student 16
Acting
![Lee Won-sang]()
Lee Won-sang
Student 17
Acting
![Lee Ji-won]()
Lee Ji-won
Student 19
Acting
![Si-eun Kim]()
Si-eun Kim
Student 20
Acting
![Song Jeong-hyuk]()
Song Jeong-hyuk
Student 21
Acting
![Shin Eun-jung]()
Shin Eun-jung
Student 22
Acting
![Oh Hye-jin]()
Oh Hye-jin
Student 23
Acting
![Kim Min-su]()
Kim Min-su
Student 24
Acting
![Lee Jung-ah]()
Lee Jung-ah
Student 25
Acting
![Yeon Seung-ju]()
Yeon Seung-ju
Student 26
Acting
![Oh Won-jun]()
Oh Won-jun
Student 27
Acting
![Han Dong-hoon]()
Han Dong-hoon
Student 28
Acting
![Kim Yeong-Gyu]()
Kim Yeong-Gyu
Student 29
Acting
![Choi Jae-min]()
Choi Jae-min
Student 30
Acting
![Min Da-eun]()
Min Da-eun
Student 31
Acting
![Kim Se-yeon]()
Kim Se-yeon
Student 32
Acting

Lee Pil-mo
Chairman Choi
Acting
![Lee Young-ee]()
Lee Young-ee
Special Appearance
Acting

Alyssa Soebandono
Miya
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