According to Sci Fi, Amanda Tapping has signed on to join the cast of the Stargate spin off, Stargate Atlantis. Tapping previously played in the show Stargate SG-1.

 

Tapping will reprise her role as Lt. Col. Samantha Carter in Atlantis. She played the character in all 10 seasons of SG-1, which goes off the air after completing the final 10 episodes of the current season.

 

Atlantis is now entering it's fourth season and Tapping will appear in 14 of the 20 ordered episodes.

I guess it's steady work. :P