Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.
Ben Browder
as Colonel Cameron Mitchell
Amanda Tapping
as Colonel Samantha Carter
Christopher Judge
as Teal'c
Michael Shanks
as Dr. Daniel Jackson
Claudia Black
as Vala Mal Doran
Beau Bridges
as Major General Hank Landry
Richard Dean Anderson
as Major General Jack O'Neill
Cliff Simon
as Ba'al
Don S. Davis
as Lieutenant General George Hammond
William Devane
as President Henry Hayes
Steve Bacic
as Camulus
Gary Jones
as Chief Mst Sgt. Walter Harriman
