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.
as Shiro Kazami / Kamen Rider V3
as Takeshi Hongo / Kamen Rider #1
as Hayato Ichimonji / Kamen Rider #2
as Tobei Tachibana
as Junko Tama
as Shigeru Tama
as Doctor Tetsuo Okita
as Hiroko Okita
as Doctor G
as Destron Chief (voice)
as Narrator (voice)
