The creators of Game of Thrones were forced to apologize after revealing that one of the severed heads shown in season one was actually modeled after George W. Bush … which led Vulture to wonder, What about the other severed heads in that scene? Were those practically subliminal star cameos, too? Now, after hours of poring over jpegs and and barking to our interns, "Enhance, enhance!" we present our 100 percent accurate findings to you. Head into the slideshow for some shocking revelations.