- 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 — S1E21
Episode: Dokugander, Confrontation at Osaka Castle
Air Date: 1971-08-21
Runtime: 25 min
Overview
In order for Shocker to make use of a growth drug developed by Yoshioka, Dokugander's adult form transforms into the deceased professor to trick the assistant professor Yoshioka.