KNOCK OUT.57 takes place on September 23, 2025, in Japan.
| Actor | Role |
|---|---|
| SSeiya FurukiSelf | Self |
| RRyota NaitoSelf | Self |
| YYuki MoriokaSelf | Self |
| TTakumi FukudaSelf | Self |
| MMako YamadaSelf | Self |
| KKihoSelf | Self |
| SShuhei KumimuraSelf | Self |
| MMasajiSelf | Self |
| NNaoki IshikawaSelf | Self |
| MMak Senchai GymSelf | Self |
| YYushoSelf | Self |
| SSuamani GeosamuritSelf | Self |
| TTatsuji RoSelf | Self |
| PPeppunsorn FormdojimSelf | Self |
| RRangaSelf | Self |
| RReito BravelySelf | Self |
| MMariya SuzukiSelf | Self |
| AAiraSelf | Self |
| AAxe OnodaSelf | Self |
| KKyosuke UyamaSelf | Self |
| GGakuto YasudaSelf | Self |
| SShoya WatanabeSelf | Self |
| YYoshihiroSelf | Self |
| RRyunosuke ShinozakiSelf | Self |