Luckily the Ring of Fire heats up - because precious little else does in this really rather poor vehicle for "90210" and "Buffy" star Luke Perry. As he aged, he lost his boyish good looks and sadly the acting talent left behind was simply nowhere near enough to hold this rather fanciful sci-fi together. To be fair, he is not helped by a really indifferent bunch of C-listers in support. Indeed Adam Frost ("Capt. Hayward") doesn't look like he has started to shave yet and Natalie brown just doesn't cut it as scientist "Jen". The plot is peppered with historical personal loathing issues and if…