FOUR OUT OF FIVE AIN'T BAD
At the end of the third season, we learned that Saul Tigh (Michael Hogan), Sam Anders (Michael Trucco), Tory Foster (Rehka Sharma), and Galen Tyrol (Aaron Douglas) were all Cylons. And not just any ''skin jobs'' — they comprised the bulk of the Final Five; unique among Cylons in that they were one-off models who didn't know of their own mechanical origins. But there was one last model that had been lurking among the Colonial fleet since the Cylon Attacks. Who could it be? Here are some likely — and unlikely — suspects.