When the initial Cylon attack against the Twelve Colonies fails to achieve complete extermination of human life as planned, twin Number Ones (Cavils) embedded on Galactica and Caprica must improvise to destroy the human survivors.

Top Cast

Edward James OlmosCommander William Adama

Dean StockwellBrother Cavil

Michael TruccoSamuel Anders

Grace ParkLt. Sharon 'Boomer' Valerii

Michael HoganColonel Saul Tigh

Callum Keith RennieLeoben Conoy

Kate VernonEllen Tigh

Rick WorthySimon