SG-1 searches for an ancient weapon which could help them defeat the Ori, and discover it may be in the Ori's own home galaxy. As the Ori prepare to send ships through to the Milky Way to attack Earth, SG-1 travels to the Ori galaxy aboard the Odyssey. The International Oversight committee have their own plans and SG-1 finds themselves in a distant galaxy fighting two powerful enemies.
Ben Browder
as Lt. Col. Cameron Mitchell
Amanda Tapping
as Lt. Col. Samantha Carter
Christopher Judge
as Teal'c
Michael Shanks
as Dr. Daniel Jackson
Beau Bridges
as Maj. Gen. Henry Landry
Claudia Black
as Vala Mal Doran
Morena Baccarin
as Adria
Tim Guinee
as Tomin
Julian Sands
as Doci
Currie Graham
as James Marrick
Sarah Strange
as Morgan Le Fay / Ganos Lal
Michael Beach
as Col. Abe Ellis
