Latitude Zero (1969)
Latitude Zero, is a 1969 tokusatsu film. It was directed by IshirÅ Honda with special effects by Eiji Tsuburaya (his last science-fiction film). The story was written by Ted Sherdeman, writer on the 1954 science-fiction film, Them! (and based on a 1941 radio serial written by Sherdeman entitled Latitude Zero), and starred Joseph Cotten, Cesar Romero, Akira Takarada, Masumi Okada, Richard Jaeckel, Patricia Medina, and Akihiko Hirata.
More at Wikipedia.