RIZIN 31 (2021) — Cast
Cast
| Saori Oshima | |
| Yutaka Saito | |
| Tsuyoshi Kamiyama | Haruyama Tsuyoshi |
| Daichi Abe | |
| Yusaku Nakamura | |
| Yuki Ito | |
| Seiichiro Ito | |
| Daisuke Nakamura | |
| Yoshinari Nadaka | |
| Rikuto Shirakawa | |
| Takuya Yamamoto | |
| Naoki Ishikawa | |
| Kanna Asakura | |
| Juntaro Ushiku | |
| Lawdlain Saint Ilme | |
| Masanori Kanehara | |
| Takahiro Ashida | |
| Akira Okada | |
| Suguru Nii | |
| Ryuya Okuwaki | |
| Kunta Hashimoto | |
| Ryuto Oinuma |
Crew
| Nobuyuki Sakakibara | Director |