RIZIN 17 live from the Saitama Super Arena in Saitama, Japan. In the evening’s main event, lightweights Yusuke Yachi and Mikuru Asakura lock horns. Also the card, numerous UFC veterans are in action as Ulka Sasaki takes on longtime veteran Shintaro Ishiwatari, Ultimate Fighter 24 runner-up Hiromasa Ogikubo clashes with Yuki Motoya, Johnny Case challenges Satoru Kitaoka, Tatsuya Kawajiri battles unbeaten Russian Ali Abdulkhalikov, Mizuto Hirota faces off with grappling ace Roberto de Souza, and UFC veteran and current ROAD FC champion Seo Hee Ham meets Tomo Maesawa.
| Actor | Role |
|---|---|
| YYusuke YachiNot listed | Not listed |
 Mikuru AsakuraNot listed | Not listed |
| SShintaro IshiwatariNot listed | Not listed |
 Yuta SasakiNot listed | Not listed |
| HHiromasa OugikuboNot listed | Not listed |
| YYuki MotoyaNot listed | Not listed |
| IIvan ShtyrkovNot listed | Not listed |
| HHoon KimNot listed | Not listed |
| TTaiga KawabeNot listed | Not listed |
| HHikaru MachidaNot listed | Not listed |
 Johnny CaseNot listed | Not listed |
| SSatoru KitaokaNot listed | Not listed |
 Tatsuya KawajiriNot listed | Not listed |
| AAli AbdulkhalikovNot listed | Not listed |
 Roberto de SouzaNot listed | Not listed |
 Mizuto HirotaNot listed | Not listed |
| JJake HeunNot listed | Not listed |
| VVitaly ShemetovNot listed | Not listed |
 Seo Hee HamNot listed | Not listed |
 Tomo MaesawaNot listed | Not listed |
 Stephanie EggerNot listed | Not listed |
| RReina MiuraNot listed | Not listed |
| HHideki GloriaNot listed | Not listed |
| DDaiki WatabeNot listed | Not listed |