In the 1960s,  legendary guerrilla-filmmaking producer Roger Corman (whose protégés would include Francis Ford Coppola, George Lucas, Jonathan Demme, Gale Ann Hurd and James Cameron) imported several high-end Soviet-era science fiction movies, which he recut using American-shot scenes, actors and English-language dubbing.  This was a practice similar to what was done to Ishiro Honda’s 1954 atomic-bomb allegory…