Guest Stars Michael Trucco as Samuel "Sam" Anders Donnelly Rhodes as Dr. Cottle Kate Vernon as Ellen Tigh 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 Bodie Olmos as Lt. Brenden "Hotdog" Constanza Luciana Carro as Captain Louanne "Kat" Katraine Dominic Zamprogna as James "Jammer" Lyman Don Thompson as Specialist 3rd Class Anthony Figurski Christian Tessier as Tucker "Duck" Clellan