- 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 — S1E81
Episode: Kamen Rider Dies Twice!
Air Date: 1972-10-14
Runtime: 25 min
Overview
Gel-Shocker's Scorpiolizard uses the Shocker scientists as the guinea pigs for an oxygen deprivation gas and eliminates them. However one scientist, Takashi, does escape. Scorpiolizard pursues Takashi and attacks his wife's hospital.