Prologue net special of Kamen Rider Saber, released exclusively in China. Introduces the main characters of Kamen Rider Saber and recaps the events of Kamen Rider Zero-One.
| Actor | Role |
|---|---|
 Shuichiro NaitoTouma Kamiyama/Kamen Rider Saber | Touma Kamiyama/Kamen Rider Saber |
 Asuka KawazuMei Sudo | Mei Sudo |
 Takaya YamaguchiRintaro Shindo/Kamen Rider Blades | Rintaro Shindo/Kamen Rider Blades |
 Ryou AokiKento Fukamiya/Kamen Rider Espada | Kento Fukamiya/Kamen Rider Espada |
 Rina ChinenSophia | Sophia |
 Robin FuruyaStorious | Storious |
| KKyle TakanoLegeiel | Legeiel |
 Miku OkamotoLuna | Luna |
 Kōji SaikawaZooous | Zooous |
 Akio OtsukaNarrator | Narrator |
| IIori MaekawaTouma Kamiyama (Child) | Touma Kamiyama (Child) |
 Fumiya TakahashiAruto Hiden (archive footage) | Aruto Hiden (archive footage) |
 Noa TsurushimaIzu (archive footage) | Izu (archive footage) |
 Ryutaro OkadaIsamu Fuwa (archive footage) | Isamu Fuwa (archive footage) |
 Hiroe IgetaYua Yaiba (archive footage) | Yua Yaiba (archive footage) |
 Daisuke NakagawaJin (archive footage) | Jin (archive footage) |
 Shuya SunagawaHorobi (archive footage) | Horobi (archive footage) |
 Nachi SakuragiGai Amatsu (archive footage) | Gai Amatsu (archive footage) |