Battle of the Japan Sea (movie)
Veteran screenwriter Toshio Yasumi wrote the script and Seiji Maruyama (who had filmed Rengo kantai shirei chôkan: Yamamoto Isoroku in 1968) directed the film. Special effects director Eiji Tsuburaya of "Destroy All Monsters" worked on the set and Hiroshi Murai of "Nikudan" was in charge of filming the scenes.