Guest Stars Tracy Middendorf as Tara Bick Daniel Gillies as Royal Marine Major Peter Malloy Peter Asle Holden as Vector Control Worker Kristen Ariza as CIA Operations Officer Loretta Tennison Jamie Elman as Realtor John T. Woods as Navy Chief Petty Officer Jason Crosby Co Starring Chris Jarvis as British Royal Marine Engineer Ron Bottitta as British Royal Marine Captain William Jamison