Venus Terzo
Venus played Dr Michaels in the Stargate SG1 episode Frozen. She has also guest starred on Shattered, Andromeda, Whistler, Blackstone, The Christmas Secret and Continuum as well as provided the voice for numerous animated productions. IMDB Behind The Voice
Tiffany Lyndall-Knight
Tiffany was Evalla in the Stargate SG1 episode Revisions and La Moor in Touchstone, she was also The Hybrid in Battlestar Galactica (with added goo) and has guest starred on Supernatural, Smallville, Danger 5, Flash Gordon, The Babadook and Dead Like Me. IMDB
Thomas Kopache
Thomas was Ellori in the SG1 episode Prophecy and has appeared in Enterprise, Deep Space Nine, Voyager, The Blacklist, Person Of Interest, Jessica Jones, The Good Wife and The West Wing. IMDB