Invasion of the Neptune Men

Astronomer Shinichi Tachibana has a secret identity as the superhero "Iron Sharp" and is well beloved by children. When they are attacked by a group of metallic aliens, Iron Sharp drives the aliens away. The resourceful Tachibana helps develop an electric barrier to block the aliens from coming to the Earth. After several losses by the aliens, they announce that they will invade the Earth, throwing the world into a state of panic.

Cast

Sonny Chiba

Tachibana - Scientist / Space Chief

Shinjirō Ehara

Ryuko Mizukami

Tanigawa Yoko

Mitsue Komiya

Seiichirō Kameishi

Shiro Okamoto

Rinichi Yamamoto

Kappei Matsumoto

Tanigawa Hiroshi

Takashi Kanda

Ken Sudo