After being brutally murdered in a subway station, a teen boy awakens to find himself resurrected by a strange computer named Gantz, and forced to fight a large force of invading aliens in Osaka.
Unfortunately the movie GANTZ:O is not yet available on HBO Max.
| Writing | Hiroya Oku | Comic Book |
| Directing | Yasushi Kawamura | Director |
| Crew | Hiroya Oku | Creator |
| Writing | Tsutomu Kuroiwa | Screenplay |
| Directing | Keiichi Sato | Director |
| Visual Effects | Keiichi Sato | Animation Director |
| Directing | Kensuke Sonomura | Action Director |
| Production | Eiichi Kamagata | Executive Producer |
| Production | Mitsugu Iwano | Executive Producer |
| Production | Yoshihiro Furusawa | Executive Producer |
| Production | Atsushi Moriyama | Producer |
| Production | Hideaki Iwamoto | Producer |
| Production | Kazutaka Yamanaka | Producer |
| Production | Mikio Ono | Producer |
| Production | Naoya Moritani | Producer |
| Production | Shinjiro Yokoyama | Producer |
