The Ultimate Masturbation (2016) — Cast
Cast
| Makoto Iwata | Shinji |
| Seiji Nagakawa | Tetsushi |
| Kazu Itsuki | Tôma Kuroki |
| Yoshio Hosokawa | Yojiro Kawabe |
| Shôtarô Izumi | Katsukawa |
| Sousuke Yamamoto | Yachi |
Crew
| Masanobu Takeshi | Production Assistant |
| Keiji Sakamoto | Assistant Camera |
| Osamu Ichikawa | Assistant Camera |
| Dai Ejiri | Other |
| Kenichi Mori | Gaffer |
| Sachi Hamano | Producer |
| Kuninori Yamazaki | Screenplay |
| Sen Arima | Editor |
| Katsuji Oyamada | Director of Photography |
| Hollow Dragon | Original Music Composer |
| Yujiro Koseki | Assistant Director |
| Kyoko Arimasa | Assistant Gaffer |
| Daiki Wakabayashi | Sound Effects |
| Kuninori Yamazaki | Director |
| Masanobu Takeshi | Other |