Cast
Crew
| Kim Won | Sound | Sound Supervisor |
| Kim Young-tak | Art | Production Design |
| Lee Ji-hye | Costume & Make-Up | Costume Design |
| Lee Min-hwi | Sound | Original Music Composer |
| Lee Seong-eun | Camera | Director of Photography |
| Song Young-shin | Production | Executive Producer |
| Suzuko Hatanaka | Production | Executive Producer |
| Won Chang-jae | Editing | Editor |
| Yoon Dan-bi | Writing | Writer |
| Yoon Dan-bi | Production | Producer |
| Yoon Dan-bi | Directing | Director |
Titles
The World Before · 첫 세계 · 첫세계 (kor)
Ratings: imdb 4.80/10.00 (20 votes)