Azazel02 wrote:
Is that the American release version? What's with the octopus, manta ray, diving bell and Seaview-style windows on the U-Boat, none of which appear in the movie!?

Remember this is AIP you're talking about.  You might as well ask what's the deal with the monsters on the posters for JOURNEY TO THE SEVENTH PLANET or PLANET OF THE VAMPIRES!