Guest Stars Peter Kelamis as Adam Brody Mark Burgess as Jeremy Franklin Richard Dean Anderson as Lieutenant General Jack O'Neill Michael Shanks as Dr. Daniel Jackson Ona Grauer as Emily Young Bradley Stryker as Sgt. Curtis Christopher McDonald as Senator Alan Armstrong Amanda Tapping as Colonel Samantha Carter Bill Dow as Dr. Bill Lee Gary Jones as Master Sergeant Walter Harriman Martin Christopher as Major Kevin Marks Co Starring Patrick Gilmore as Dale Volker Jennifer Spence as Lisa Park Julia Benson as 2nd Lt. Vanessa James Jeffrey Bowyer-Chapman as Darren Becker Haig Sutherland as Sgt. Hunter Riley Josh Blacker as Marine Sgt. Spencer Glynis Davies as Maryann Wallace Andrew Dunbar as Marine Cpl. Gorman Christina Schild as Andrea Palmer Agam Darshi as Dr. Sonja Damji Michael Lenic as Eli's Friend Jim K. Chan as Dr. Simms