Following a humiliating plagiarism scandal, an author moves to an isolated small-town house with her daughter to write her comeback novel. Desperate for inspiration, she communicates with a mysterious ghostly presence that has befriended her daughter.
| Actor | Role |
|---|---|
 Uhm Jung-hwaBaek Hee-soo | Baek Hee-soo |
 Ryu Seung-ryongPark Yeong-joon | Park Yeong-joon |
 Lee Do-gyeongChan-sik's father | Chan-sik's father |
 Cho Jin-woongChan-sik | Chan-sik |
 Lee Sung-minEditor-in-chief | Editor-in-chief |
 Park Sa-rangYeon-hee | Yeon-hee |
 Kim Hwa-yeongDirector Song | Director Song |
 Choi Mu-sungMid age 1 | Mid age 1 |
 Jo Hee-bongMid age 2 | Mid age 2 |
 Oh Jung-seMid age 3 | Mid age 3 |
 Yeo Moo-yeongDoctor | Doctor |
 Kim Hong-paCitizen 1 | Citizen 1 |
 Ko In-beomCitizen 2 | Citizen 2 |
 Kim Chun-giCitizen 3 | Citizen 3 |
 Seo Yi-sookAuthor's daughter | Author's daughter |
 Park Sang-gyuDetective | Detective |
 Choi Kang-heeWhisper | Whisper |
| SSong Ji-eunNurse | Nurse |