- 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 — S1E30
Episode: Revived Fossil, Bloodsucking Trilobite
Air Date: 1971-10-23
Runtime: 25 min
Overview
Doctor Shimura's research that can revive ancient lifeforms catches the eye of Shocker, who steal the ancient trilobite ressurected from a fossil and infuse it with the blood of a blood-sucking cyborg, creating the monster Zanbronzo.