Stargate SG-1

Season 4 Overview

In the exciting fourth season, Earth joins the fight against the Asgard's unstoppable enemy, and SG-1 discovers that the Russians have started a Stargate program.

Cast Bios

  1. Amanda Tapping

    Major Samantha Carter is an astrophysicist and USAF Captain who joins the SG-1 team after years spent at the Pentagon trying to get the Stargate operational.


    Tapping continued to play Carter in Stargate: Atlantis, SGU Stargate Universe, Stargate: The Ark of Truth, and Stargate: Continuum. She starred in the series Sanctuary and has been in other sci-fi projects including the series' Outer Limits and Supernatural, and the film Space Milkshake. Amanda co-founded the Canadian comedy group "Random Acts".

  2. Christopher Judge

    Teal'c is a Jaffa warrior from the planet Chulak. Though he attained the most senior rank under System Lord Apophis, Teal'c leaves his position to join the SG-1 team, hoping to defeat the Goa'uld and achieve freedom for all Jaffa.


    Judge played Teal'c in Stargate: The Ark of Truth and Stargate: Continuum. He voiced characters in X-Men: Evolution and Wacky Races. Other credits include the television series' 21 Jump Street, NCIS: Los Angeles and The Mentalist, and the film Mega Shark vs. Mecha Shark. Christopher wrote four episodes of Stargate SG-1. 

  3. Michael Shanks

    Dr. Daniel Jackson is an archaeologist who joins the SG1 team to save his wife and brother-in-law, who have been abducted by the Goa'uld.


    Shanks reprised his role of Daniel Jackson in Stargate: The Ark of Truth and Stargate: Continuum. He had guest roles in Stargate: Atlantis, SGU Stargate Universe, 24, Smallville, and Burn Notice. He starred in the series Saving Hope. Shanks is adept at ice hockey and even played Gordie Howe in a biographical television film.

  4. Richard Dean Anderson

    Jack O'Neill is a USAF colonel and Air Force Special Ops veteran who is persuaded out of retirement to lead the SG-1 team. 


    Anderson is best known for starring in the series MacGyver. He made guest appearances playing O'Neill in Stargate: Atlantis and SGU Stargate Universe, and also played the character in Stargate Continuum. Other TV credits include Legend and Fairly Legal. Anderson had a variety of odd jobs including whale handler, musician in a medieval dinner theater, and street mime and juggler.

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