A physicist named Tetsuo Okita discovers a new mineral called "Satanium," which is more powerful than uranium and emits destructive effects to anyone exposed to it. However, Destron abducts Okita in hopes of finding the source of Satanium and collecting more of it to expedite their run for global domination. Kamen Rider V3 must act fast in rescuing Professor Okita and preventing Destron from collecting more of the deadly mineral.
宮内洋
as Shiro Kazami / Kamen Rider V3
藤岡弘、
as Takeshi Hongo / Kamen Rider #1
佐々木剛
as Hayato Ichimonji / Kamen Rider #2
小林昭二
as Tobei Tachibana
小野ひずる
as Junko Tama
川口英樹
as Shigeru Tama
Hideo Nihei
as Doctor Tetsuo Okita
Momoe Mori
as Hiroko Okita
千波丈太郎
as Doctor G
納谷悟朗
as Destron Chief (voice)
中江真司
as Narrator (voice)
