Synopsis
A duplicate of Colonel Samantha Carter reaches out to Stargate Command, warning that the Replicator Fifth has developed a method to neutralize the Asgard's latest weapon.
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Cast & Crew
Appearing in this episode.
Top billed cast
Richard Dean Anderson
as Brigadier General Jack O'Neill
Amanda Tapping
as Lt. Col. Samantha Carter
Christopher Judge
as Teal'c
Michael Shanks
as Dr. Daniel Jackson
G Patrick Currie
as Fifth
Gary Jones
as Sgt. Walter Harriman
Jason Emanuel
as Tech Sergeant
Dan Shea
as Sgt. Siler
Chris Robson
as S.F.
Peter Kufluk
as MSgt. Connor
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1Writers
3Producers
1Other crew
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