- 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 — S9E6
Episode: The Kaima Extraterrestrials' Great Riot!
Air Date: 1988-11-27
Runtime: 25 min
Overview
Shigeru befriends a strange extraterrestrial sent by Gedorian to impregnate and ultimately overrun Earth in their numbers.