The regular cast members of season eight are Richard Dean Anderson as Colonel/Brigadier General Jack O'Neill, Amanda Tapping as Major/Lieutenant Colonel Samantha Carter, Christopher Judge as the Jaffa Teal'c, and Michael Shanks as civilian Dr. Daniel Jackson.
The first season of Stargate Atlantis was filmed in parallel to the eighth season of SG-1, and aired in the time slot immediately following SG-1.