No main cast listed for this episode.
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.