- 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 — S13E25
Episode: The Dark Laboratory
Air Date: 2003-07-13
Runtime: 25 min
Overview
Smart Brain recovered Faiz and Kaixa as Kusaka was captured. Mari and others sneaked into Smart Brain to save him. While escaping from Takumi, both of them discovered the entrance to the underground Ryusei School. Over there they stumble into a startling discovery.