Guest Stars Lili Bordán as Dr. Becca Kelly John Pyper-Ferguson as Tech Sgt. Xander Toth Ty Olsson as Osiris Helmsman Sebastian Spence as Lt. Jim Kirby Karen LeBlanc as Lt. Jenna Jill Teed as Commander Ozar Brian Markinson as Commander Silas Nash Co Starring Mike Dopud as Deke Tornvald Terry Chen as Crew Chief Tiu Carmen Moore as Nina Leothe Adrian Holmes as Zachary Elias Tom Stevens as Marine Baris Serge Jaswal as BSG CIC Marine Jordan Weller as Rookie Pilot Seamus Zak Santiago as Captain Diaz Toby Levins as Pilot Sandman Aaron Hughes as Army Medic Colin Corrigan as Osirus Marine Zach Martin as Marine Strohmeyer Leo Chiang as Osiris Marine Sergeant