. . . "Number One"@en . "\"Lay Down Your Burdens: Part I\"" . "John Cavil"@en . "John Cavil (Number One) is a fictional character and the main antagonist from the re-imagined Battlestar Galactica television series. He is portrayed by Dean Stockwell. In the fourth season episode \"Six of One\", Cavil's model number was revealed as Number One."@en .