(Seasons 9–10 main) – A United States Air Force lieutenant colonel who is assigned as the new commanding officer of SG-1 at the beginning of Season 9. He struggles to reunite its former members under his command and commands SG-1 (with Lieutenant Colonel Carter's assistance) until the end of Season 10. He is promoted to colonel between his appearances in Stargate: The Ark of Truth and Stargate: Continuum. Beau Bridges as Henry "Hank" Landry (Seasons 9–10 main) – A United States Air Force Major General and the commander of Stargate Command in Seasons 9 and 10. He is the estranged father of the SGC's medical officer Carolyn Lam and appears in both direct-to-DVD films and in Seasons 2 and 3 of Stargate Atlantis. In Season 10, Episode 13 Hank Landry was President Of The United States, as well as Major General Hank Landry. Claudia Black as Vala Mal Doran (Season 10 main, Seasons 8–9 recurring) – A con artist from an unnamed planet and a former human host to the Goa'uld Qetesh. Her first appearance in Season 8's "Prometheus Unbound" is the beginning of her flirty yet antagonistic relationship with Daniel. In her recurring role in Season 9, she and Daniel unintentionally set off the new Ori threat. She is unwillingly impregnated by the Ori, gives birth to Adria and watches helplessly as Adria grows to adulthood in a few days time. She joins SG-1 after giving birth to the new leader of the Ori at the beginning of Season 10 and appears in both direct-to-DVD films. Production Conception Brad Wright and Jonathan Glassner had worked together on the MGM television series The Outer Limits since 1995. Upon hearing of MGM's plan to create a television spin-off series of the feature film Stargate, Wright and Glassner independently and unbeknownst to each other approached MGM and proposed their concept for the television series. MGM president John Symes greenlit the project on the condition that Wright and Glassner work together as executive producers of the new show. The show was named Stargate SG-1 after Wright flightily agreed to Symes's pitch question of whether the team should be called "SG-1". MGM released posters titled Stargate SG-1 within the next week without the knowledge of Wright or Glassner. John Symes approached Michael Greenburg and Richard Dean Anderson, former star of the long-running MacGyver. Anderson agreed to become involved if his character Jack O'Neill were