http://www.scifi.com/scifiwire/news_thumbnails/tapping_sg1_tn.jpgAmanda Tapping moves from Stargate SG-1 to Stargate Atlantis, joining that show's fourth season as Lt. Col. Samantha Carter. Tapping, who played Carter for 10 seasons of SG-1, will appear in 14 of Atlantis' 20 fourth-season episodes.

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