Stargate SG-1 - Cast

Cast

• Richard Dean Anderson as Jonathan "Jack" O'Neill (seasons 1–8 main, seasons 9–10 recurring) – A United States Air Force colonel and a Air Force special operations veteran who led the original mission through the Stargate in Stargate (where he was played by Kurt Russell). He is coaxed out of retirement in the pilot episode and serves as the leader of the SG-1 team in the first seven seasons. He takes charge of Stargate Command (SGC) after his promotion to brigadier general at the beginning of season 8. The series repeatedly alludes to romantic feelings between O'Neill and his second-in-command, Carter, but the relationship is never shown as consummated outside of alternate reality scenarios. O'Neill is reassigned to Washington, D.C. before season 9 and receives a promotion to major general. He appears in a recurring role in seasons 9 and 10 of Stargate SG-1, as well as in Stargate: Continuum and in seasons 1 and 3 of Stargate Atlantis. O'Neill appears as a lieutenant general in multiple episodes of Stargate Universe where he is in command of the Department of Homeworld Security.
• Michael Shanks as Daniel Jackson (seasons 1–5 and 7–10 main, season 6 recurring) – A brilliant Egyptologist whose far-fetched theories about Egyptian pyramids having been built by aliens led to his participation in the original Stargate mission in the feature film (where he was played by James Spader). He joins the SG-1 team to facilitate his search for his wife, who was kidnapped by Apophis in the pilot episode, but his naïveté and curiosity regularly create obstacles for the team. He gradually evolves from being an archaeologist and translator into the moral conscience for the team, and remains part of SG-1 until he ascends to a higher plane of existence at the end of season 5. Following his forceful de-ascension at the beginning of season 7, he rejoins SG-1 for the remainder of the series. The last three seasons show his flirty yet antagonistic relationship with Vala Mal Doran. Daniel also appears in both direct-to-DVD films, in seasons 1 and 5 of Stargate Atlantis, and in three Stargate Universe episodes.
• Amanda Tapping as Samantha "Sam" Carter (seasons 1–10 main) – A brilliant young astrophysicist and United States Air Force captain who joins SG-1 under the command of Col. O'Neill in the pilot episode. Following her promotion to major in season 3, she is promoted to lieutenant colonel early in season 8 and assumes command of SG-1. Carter assists Lieutenant Colonel Cameron Mitchell in seasons 9 and 10. After her appearance in Stargate: The Ark of Truth, she is promoted to colonel and becomes the new commander of the Atlantis expedition in season 4 of Stargate Atlantis, before joining SG-1 again for Stargate: Continuum. Carter appears in a recurring role in all seasons of Stargate Atlantis (and as a regular in Season 4) and in the first episode of Stargate: Universe as commander of the starship George Hammond.
• Christopher Judge as Teal'c (seasons 1–10 main) – A quiet and strong Jaffa alien who defects from his position as the First Prime of the Goa'uld Apophis. He joins SG-1 after the pilot episode in hopes of leading his race to freedom. Despite achieving this goal at the end of season 8, he remains a member of SG-1 until the end of the series. He also appears in both direct-to-DVD films and in season 4 of Stargate Atlantis as a mentor for Ronan during an interview for the IOA.
• Don S. Davis as George Hammond (seasons 1–7 main, seasons 8–10 recurring) – A United States Air Force major general (later lieutenant general) who commands Stargate Command in the first seven seasons. Besides recurring in seasons 8 through 10 of Stargate SG-1, he appears in season 1 of Stargate Atlantis. Davis died from a heart attack in June 2008, making his appearance in Stargate: Continuum his last.
• Corin Nemec as Jonas Quinn (season 6 main, seasons 5 and 7 recurring) – A humanoid alien and scientist from the country of Kelowna on the planet Langara. Daniel sacrifices his life (leading to his ascension) at the end of season 5 in an attempt to save Kelowna, but the following gleeful reaction of the Kelownan leaders causes Jonas to turn his back on Langara. Jonas is a fast learner and fills Daniel's empty spot on SG-1 in season 6. Following Daniel's return, Jonas returns to his planet and remains a recurring character in season 7.
• Ben Browder as Cameron "Cam" Mitchell (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.
• 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 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.