Frankenstein Conquers the World

Frankenstein vs. Baragon is a 1965 kaiju film directed by Ishirō Honda, with special effects by Eiji Tsuburaya. The film stars Nick Adams, Kumi Mizuno and Tadao Takashima, with Koji Furuhata as Frankenstein and Haruo Nakajima as Baragon. An international co-production of Japan and the United States, it was the first collaboration between Toho and Henry G. Saperstein. In the film, scientists investigate the origins of a mysterious monster boy Frankenstein and his resistance to radiation that makes him grow to monstrous size, while another monster Baragon ravages the countryside.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.