- 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 — S2E15
Episode: Rider V3's Deadly Weakness!!
Air Date: 1973-05-26
Runtime: 25 min
Overview
The daughter of Dr. Okajima, an atomic physicist who escaped the clutches of Destron with the help of the Double Riders, saves the badly injured Kazami Shiro from the basin of a waterfall. She is then stalked by Burner-Bat, who is looking for V3. With the help of Dr. Okajima, Shiro is able to find the memento from the Double Riders, which holds the secret to V3's four weaknesses. What are they?