Kaitei gunkan (1963)

Director: IshirÅ Honda
Cast: Hiroshi Koizumi, Jun Tazaki, Ken Uehara, Kenji Sahara, Tadao Takashima, Yôko Fujiyama, YÅ« Fujiki, Yoshifumi Tajima

Synopsis:

The legendary empire of the lost continent of Mu reappears to threaten the world with domination. While countries unite to resist, an isolated World War II Captain has created the greatest warship ever seen, and possibly the surface world’s only defense.