The Guest (TV series)

The Guest  is a 2018 South Korean television series about exorcism and shamanism that stars Kim Dong-wook, Kim Jae-wook, and Jung Eun-chae. It aired on OCN from September 12 to November 1, 2018, every Wednesday and Thursday at 23:00 (KST).

Despite not airing in prime time, the series received a peak rating of 4% nationwide.

Plot
Yoon Hwa-pyung, the young son of a shaman family, is a psychic and can see ghosts. After a villager is possessed, he too is possessed by a powerful spirit called Park Il-do. His mother is then mysteriously killed and his grandmother commits suicide. Priest Yang and young priest-in-training Priest Choi arrive to perform an exorcism. Choi speaks with Hwa-pyung and is subsequently possessed, with the spirit leaving Hwa-pyung's body.

Priest Choi returns home and brutally murders his parents as his kid brother, Choi Yoon, hides. At the same time, Hwa-pyung runs away from home after his father tries to strangle him, blaming him for the family's deaths. He stops before Priest Choi's house, sensing an evil spirit inside. A policewoman and her daughter, Kang Gil-young, drive by and see Hwa-pyung; the policewoman investigates and saves Yoon before she is murdered by Priest Choi. Yoon joins the traumatized Gil-young and Hwa-pyung outside before the kids are separated by the police.

In 2018, 20 years after the incident, Hwa-pyung is now a taxi driver whose ultimate goal is to find Priest Choi in order to exorcise Park Il-do from his body. With his powers, he is able to see through the eyes of those possessed by Park Il-do and find out who they have killed, which results in his entanglement with Gil-Young, who followed her mother's footsteps and became a police detective. Yoon is now a priest, also determined to find his possessed brother. Unbeknownst to the three, they are the children from the incident, though they do not recognize each other now all these years later. As Hwa-pyung and Yoon reluctantly work together to expel demons, Gil-young works to bring justice to the victims, being skeptical of spirits.

Main

 * Kim Dong-wook as Yoon Hwa-pyung, a shaman who was born with psychic powers.
 * Choi Seung-hoon as young Yoon Hwa-pyung
 * Kim Jae-wook as Choi Yoon / Matthew, a cynical and cold priest who alienates people but is recognized by his abilities as an exorcist.
 * Jung Yoo-geun as young Choi Yoon
 * Jung Eun-chae as Kang Gil-young, a passionate and tough but easygoing detective who does not believe in the supernatural.
 * Kim Ji-young as young Kang Gil-young

Supporting

 * Lee Won-jong as Yook Gwang
 * Park Ho-san as Detective Ko Bong-sang, Gil-young's partner.
 * Ahn Nae-sang as Priest Yang
 * Yoon Jong-suk as Priest Choi Sang-hyun
 * Jeon Bae-soo as Kim Young-soo
 * Baek Bum-soo as Choi Min-goo
 * Lee Joong-ok as Choi Min-sang
 * Park Ji-a as Believer Kim
 * Kim Hye-eun as Park Hong-joo
 * Kim Shi-eun as Kim Ryoon-hee
 * Shim Yi-young as Lee Hye-kyung
 * Kim Hyung-min as Jung Hyun-soo
 * Heo Yool as Jung Seo-yoon
 * Lee Sang-hoon (actor) as Park Eui-won
 * Kim Tae-hoon as Kang Jong-ryeol
 * Ha Ji-eun as Han Mi-jin
 * Han Kyu-won
 * Kwon Ye-eun as Oh Cho-hee's daughter
 * Kim Ji-won as Son Hyun-joo
 * Yoo Seung-mok as Yoon Hwa-pyung's father

Special appearance

 * Park Hyo-joo as Gil-young's mother
 * Shim So-young as a possessed sushi place owner

Original soundtrack
 Part 1   Part 2