Special Guest Stars Richard Hatch as Tom Zarek Guest Stars Michael Trucco as Samuel "Sam" Anders Donnelly Rhodes as Dr. Cottle Kate Vernon as Ellen Tigh Lorena Gale as Elosha 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 Dominic Zamprogna as James "Jammer" Lyman Chris Shields as Cpl. Venner Tamara Lashley as Sue-Shaun Curtis Lee Hicks as Marine Sergeant Jeremy Guilbaut as Lt. Joe Hammerhead Palladino Heather Doerksen as Marine with a sandwich