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.
Edward James Olmos
Commander William Adama
Dean Stockwell
Brother Cavil
Michael Trucco
Samuel Anders
Grace Park
Lt. Sharon 'Boomer' Valerii
Michael Hogan
Colonel Saul Tigh
Callum Keith Rennie
Leoben Conoy
Kate Vernon
Ellen Tigh
Rick Worthy
Simon
