Guest Stars Donnelly Rhodes as Dr. Cottle Colm Feore as President Adar Paul Perri as Royan Jahee 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 Leah Cairns as Lt. Margaret "Racetrack" Edmondson Bodie Olmos as Lt. Brenden "Hotdog" Constanza Paul Campbell as Billy Keikeya Luciana Carro as Captain Louanne "Kat" Katraine Jennifer Kitchen as Marine Holly Dignard as Asha Janik David Richmond-Peck as Naylin Stans