Keen to bring honor to his clan, young villager Dong Yilong embarks on a perilous journey to compete in a tournament that selects warriors for battle.
Unfortunately the movie Double World is not yet available on HBO Max.
| Costume & Make-Up | Kenneth Mak | Makeup Supervisor |
| Directing | Wang Feng | First Assistant Director |
| Writing | Liu Fendou | Writer |
| Writing | Wen Ning | Writer |
| Production | Soi Cheang | Producer |
| Directing | Stephen Tung Wai | Action Director |
| Directing | Teddy Chan | Director |
| Camera | Tao Yang | Director of Photography |
| Costume & Make-Up | Su Zhiyong | Costume Designer |
| Editing | Yau Chi-Wai | Editor |
| Sound | Peter Kam Pau-Tat | Music |
| Sound | Jay Yin | Sound Designer |
| Sound | James Ashton | Sound Designer |
| Crew | Haera Kang | Compositor |
| Visual Effects | Danny S. Kim | Visual Effects Supervisor |
| Visual Effects | Taeho Kim | Visual Effects Production Manager |
| Visual Effects | Shuai Li | Visual Effects |
| Visual Effects | Youngil Pyo | Visual Effects Supervisor |
| Visual Effects | Allen Wei | Visual Effects |
| Visual Effects | Jian Xu | Visual Effects |
