Guest Stars Michael Trucco as Samuel "Sam" Anders Donnelly Rhodes as Dr. Cottle Rekha Sharma as Tory Foster Kate Vernon as Ellen Tigh Richard Hatch as Tom Zarek Callum Keith Rennie as Leoben Conoy Matthew Bennett as Number Five Dean Stockwell as Brother Cavil Co Starring Michael Hogan as Saul Tigh Aaron Douglas as Galen Tyrol Tahmoh Penikett as Karl "Helo" Agathon Alessandro Juliani as Felix Gaeta Kandyse McClure as Anastasia "Dee" Dualla Nicki Clyne as Callandra "Cally" Henderson Alisen Down as Jean Barolay Erica Cerra as Maya David Kaye as James McManus Winston Rekert as Priest