- Country: Japan
- Genres: N/A
- Release: 1984-01-03
- Director: N/A
- Writers: Shōtarō Ishinomori
- Language: Japanese
- Stars: Osamu Kobayashi , Kiyomi Tsukada , Osamu Sakuta , Kazuhiko Ohara , Eika Hata , Machiko Soga , Tatsuya Nakagawa , Hiroaki Omi , Haruhisa Suzuki , Kansai Eto
- Runtime: 30 min
- Awards: N/A
- AKA: Seiun kamen Mashinman (Japan) , Machine Alien (Italy) , Seiun kamen Mashinman , Machine Man (Brazil) , Nebula Mask Machine Man
- Plot: N/A
- IMDB:tt0184142
Seiun kamen Mashinman Cast · · · ALL
Osamu Sakuta
Ken Takase / Machineman
Kiyomi Tsukada
Maki Hayama
Hideyo Amamoto
Prof. K.
Toku Nishio
Tetsujin Monsu
Machiko Soga
Ball Boy
Osamu Kobayashi
Narrator (voice)