When a freak accident during an experimental space mission catapulted Astronaut John Crichton (Ben Browder) across a thousand galaxies to an alien battlefield,

Principal casts for both Stargate SG-1 and Stargate Atlantis have signed on to reprise their roles for the recently announced new seasons of the shows. Returning for another tour of duty on Stargate SG-1 will be Ben Browder, Amanda Tapping, Christopher Judge, Michael Shanks and Beau Bridges.