Vorta Claus wrote:
John Harrison isn't the villain, he's just some hapless Starfleet officer who was killed by Lord Garth, the shapeshifter, and replaced so that he could carry out his nefarious schemes to insanely destroy the Federation bwahahaha!!! Cumby is playing two characters.
That might actually make sense, come to think of it. If nuGarth is taught shapeshifting, like Garth Prime was, and thus goes bonkers, he could kill somebody and replace them. Garth Prime almost did that in TOS.