Carla played the first Oma Desala as seen in the Stargate SG1 episode Maternal Instinct, she also appeared on Millenium, Seven Days, Saving Silverman and The Net. IMDB
Dorian played the Tok’ra Thoran on two episodes of Stargate SG1 (Abyss & Frozen). He has also been in Boomtown, The Hoop Life, Terminator the Sarah Connor Chronicles and 7th Heaven and has done quite a bit of voice work most notably on The Batman series.
IMDB Behind The Voice