Sina, a member of the Tok'ra, has acted as a liaison with the SGC. Her first visit to the SGC was to bring word about the defeat of Ba'al at the hands of Yu, and Jonas had seen her arrival in a precognitive vision. She returned to provide intelligence and to cooperate with the SGC in coordinating the plan to destroy Anubis's superweapon.

Portrayed by: Johannah Newmarch

Cross Reference: Tok'ra

Episode Reference: Prophecy, Fallen