RIZIN 19 live from the EDION Arena in Osaka, Japan. In the main event, Kai Asakura is on a mission to keep his momentum going following a shocking victory over a Kyoji Horiguchi when he takes on Ulka Sasaki. Also on the card, Eight men are on the hunt for a lightweight tournament championship. Jiří Procházka, who captured Rizin’s light heavyweight crown with an April victory over Muhammed King Mo, meets Fabio Maldonado. The two will clash in a 220-pound catchweight affair.
| Actor | Role |
|---|---|
 Jiří ProcházkaNot listed | Not listed |
 Fabio MaldonadoNot listed | Not listed |
 Kai AsakuraNot listed | Not listed |
 Yuta SasakiNot listed | Not listed |
 Seo Hee HamNot listed | Not listed |
 Miyuu YamamotoNot listed | Not listed |
| RRena KubotaNot listed | Not listed |
| AAlexandra AlvareNot listed | Not listed |
 Johnny CaseNot listed | Not listed |
 Roberto de SouzaNot listed | Not listed |
 Patricky FreireNot listed | Not listed |
 Tatsuya KawajiriNot listed | Not listed |
| LLuiz GustavoNot listed | Not listed |
| HHiroto UesakoNot listed | Not listed |
 Tofiq MusayevNot listed | Not listed |
 Damien BrownNot listed | Not listed |
| KKeita NakamuraNot listed | Not listed |
| MMarcos Yoshio de SouzaNot listed | Not listed |
 Taiju ShiratoriNot listed | Not listed |
| TTaiga KawabeNot listed | Not listed |
| TTakuma KonishiNot listed | Not listed |
| HHiroya KawabeNot listed | Not listed |
| SShoma ShibisaiNot listed | Not listed |
| CChang Hee KimNot listed | Not listed |
| SSeiki UeyamaNot listed | Not listed |
| TTaisei UmeiNot listed | Not listed |