- 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 — S1E85
Episode: Sludge Monster, Dreadful Murder Smog
Air Date: 1972-11-11
Runtime: 25 min
Overview
Combining a viscious criminal with a moray eel and sea turtle that grew up in the sludge of Tago Inlet, Gel-Shocker produces Utsubogamesu.