Director
Park Chul-Hwan
DIRECTOR
Khan Lee
Stars (in credits order)
Seo Kang-joon
Kim Sae-Ha
Kim Ah-jung
Jeong Sae-byeok
Kim Mu-yeol
Song Eo-Jin
Kim Sung-kyun
Kim Ma-nok
Victoria Grace
Jung Saebyeok
Lee Si-young
Ghost
Eugene Ko
Kim Sae Ha
Andrew Lee
Director Jo Heung-Sik, Additional Voices
Lee Kyu-hoi
Han Wi-han
Song Sang-Eun
Chae Jong-yi
Kim Yeong-Seong
Detective of Songje Police Station investigation team #1
Shim Wan-Joon
Songje Police Station Detective
Kimkwak Kyung-hee
Metro cleaner
Jung Won-joong
Minister of Commerce Industry and Energy
Ki Hong Lee
ACTOR
Kim Woo-bin
Control room manager (past)
Lee Hae-young
Kwon Soo-geun (Sae-ha's biological father)
Jang Eui-don
Institute of Radio Research executive
Choi Seung-hoon
Kim Sae-ha (Teen)
Go Yoon
Kim Han Seok's assistant
Jung Gi-sub
Manager (past)
Kim Ja-yeong
Nurse
Melina Demir
Reporter
Lee Yo-Seong
Kim Jin Yeong
So Ah-Rin
Teen Jeong Sae Byeok
Na-Young Ko
Worker
Kim Si-woo
Kim Sae-ha (child)
Hong Suk-bin
Cashier
Seok-je Ju
NFS Researcher
Nam Dong-ha
Sae-ha's uncle
Won Choon-gyu
Hardware clerk
Kim Song-il
Doctor
Lee Jin-Seung
ST Mulsan employee
