What actors and actresses appeared in Akumaizer 3 the Movie - 1975?

There's a small error in your question. "Akumaizer 3" doesn't exist. The series you're likely referring to is "Akumaizer 3" (1975), which was a television series, not a movie.

While there's no single "Akumaizer 3 the Movie", the series was later re-released in a collection of episodes called "Akumaizer 3: The Complete Collection" (2007). This collection is the closest equivalent to a "movie" version of the series.

Regarding the actors and actresses, here's a list of those who appeared in the "Akumaizer 3" series:

* Kenji Ohba as Jiro Oyama (the Red Akumaizer)

* Hiroshi Miyauchi as Akira Oyama (the Blue Akumaizer)

* Keiichi Nanba as Kenji Oyama (the Green Akumaizer)

* Yuko Tanaka as Akiko Minami

* Masaya Oki as Professor Shigeru Minami

* Hitoshi Ueki as Dr. Goro

This list contains the main cast members, and there were many other actors who played supporting roles and villains. You can find a more complete list of the cast on websites like IMDb.