1 Season
12 Episode
Dark Hole - Season 1 Episode 4 (2021)
- Country : South Korea
- Genre : Action & Adventure, Mystery, Sci-Fi & Fantasy
- Studio : OCN
- Director : Jung Yi-do
- Cast : Kim Ok-vin, Lee Jun-hyuk, Yoon Jung-hoon, Park Keun-rok, Jang Sung-won, Lee Ha-eun