Special Guest Stars Lucy Lawless as Number Three Guest Stars Michael Trucco as Samuel "Sam" Anders Donnelly Rhodes as Dr. Cottle Rekha Sharma as Tory Foster Matthew Bennett as Number Five Kerry Norton as Paramedic Layne Ishay Co Starring Michael Hogan as Saul Tigh Aaron Douglas as Galen Tyrol Tahmoh Penikett as Karl "Helo" Agathon Alisen Down as Jean Barolay Erica Cerra as Maya Diego Diablo Del Mar as Hillard