Guest Stars Donnelly Rhodes as Dr. Cottle Graham Beckel as Colonel Jack Fisk Michelle Forbes as Admiral Helena Cain Sebastian Spence as Pegasus Viper Pilot John Pyper-Ferguson as Captain Cole "Stinger" Taylor 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 Brad Dryborough as Lt. Louis Hoshi Luciana Carro as Captain Louanne "Kat" Katraine Vincent Gale as Lt. Peter Laird P.J. Prinsloo as Lt. Mei "Freaker" Firelli