The character 'David Vincent' was ranked #6 in TV Guide's list of the "25 Greatest Sci-Fi Legends" (1 August 2004 issue). Some Invaders could be identified by what David Vincent a "deformed fourth finger". Technically, the finger was not deformed, but immobile, always sticking out. This device was dropped toward the end of the second season. The true form of the Invaders was never shown. Their human forms were unstable and had to be "regenerated" occasionally, or e ...[Read Story ]