- Ryutaro Imai (Baku Yorozu / Kamen Rider ZEZTZ)
- Maho Horiguchi (Nem)
- Kenta Mishima (Tetsuya Fujimi)
- Rina Onuki (Nasuka Nagumo)
- Miki Yagi (Minami Yorozu)
- Yuki Furukawa (NOX)
- Jay Kabira (Zero (voice))
- Koichi Yamadera (ZEZTZ Driver (voice))
Kamen Rider — S6E21
Episode: Enter Stronger; Two Riders Vs. Two Formidable Monsters
Air Date: 1980-02-22
Runtime: 25 min
Overview
Kamen Rider Stronger assists Skyrider in learning a new, more powerful move to defeat the powerful duo of Kurageron and Sai Dump.