Staite played the role of head medical doctor Jennifer Keller in the Stargate SG-1 spinoff Stargate Atlantis, making her the third actor from the Firefly series to move on to appear in a Stargate series (the first being Adam Baldwin, who had a brief role as a colonel in the Stargate SG-1 Season Seven episode “Heroes”, and the second being Morena Baccarin, who played Adria, the main villain in the tenth season of SG-1), and the second to take a recurring role. She replaced Paul McGillion (Dr. Carson Beckett). Before taking on the role as Dr. Keller she previously played the Wraith child Ellia in the Stargate Atlantis episode “Instinct”. She also did voices in the animated TV series Mummies Alive.
