Richard Dean Anderson is to guest star on Sci Fi Channel's Stargate Universe according to Gateworld.
The actor - best known as Jack O'Neill - is likely to guest in the show's fifth episode 'Earth'.
"Rick is doing episodes of Universe," confirms co-creator Brad Wright. "He was just here yesterday shooting an episode of Universe with us. So that relationship is always ongoing, and it's good to have him back."
SG-1 cast member Gary Jones also told fans that he would appear in the new series.
Speaking on stage at Creation Entertainment's official Stargate convention in Vancouver, Canada, Jones told fans that he is appearing in an episode of Universe with Anderson.
He added that he was asked to appear in the premiere episode 'Air'.
Ming-Na and Elyse Levesque recently signed on for the project.