The scariest element is often the unexpected apparitions. Just suddenly seeing a figure out of the corner of your eye in a supposedly empty place like an old alley in Seoul can be terrifying.
One common urban myth in Seoul ghost stories is about the haunted subway stations. People claim to see strange apparitions late at night on certain platforms. It's said that these might be the spirits of those who met unfortunate ends there.
I'm not sure exactly as I haven't read or watched it in detail. But generally, it might be about ghost - related stories set in Seoul. It could involve local superstitions, haunted places in the city, or spooky encounters that people have had there.
I'm not sure specifically about the cast of 'Seoul Ghost Story' as there may be many actors who could potentially be in it. You can check movie databases or official sources for the accurate cast list.
You can try streaming platforms like Netflix or Hulu. Sometimes they have a wide range of international shows including ones like 'Seoul Ghost Story'. However, it also depends on your region.
Another theme might be the connection between the past and the present. If it's set in Seoul, there could be historical aspects that are tied to the ghostly happenings. For example, if there was a tragic event in the past at a certain location in Seoul, and the ghost story is related to that event. Also, a theme of isolation could be present. Maybe Arin is alone when she experiences these ghostly events, which adds to the sense of fear.