RIZIN 42 was a combat sports event that took place on Saturday, May 6, 2023 at the Tokyo Ariake Arena in Tokyo, Japan.
| Actor | Role |
|---|---|
 Kai AsakuraSelf | Self |
| YYuki MotoyaSelf | Self |
 Juan ArchuletaSelf | Self |
 Naoki InoueSelf | Self |
 Roberto de SouzaSelf | Self |
 Spike CarlyleSelf | Self |
 Ren SugiyamaSelf | Self |
| KKota MiuraSelf | Self |
 John DodsonSelf | Self |
| TTatsuki SaomotoSelf | Self |
| KKazumasa MajimaSelf | Self |
| TTakahiro AshidaSelf | Self |
| BBoyd AllenSelf | Self |
| VViktor KolesnikSelf | Self |
| AAtsushi KishimotoSelf | Self |
| EErson YamamotoSelf | Self |
 Yuki ItoSelf | Self |
| TTakeji YokoyamaSelf | Self |
| TTakuya YamamotoSelf | Self |
| RRamazan TemirovSelf | Self |
| YYuta HamamotoSelf | Self |
 Yuta SasakiSelf | Self |