Christopher played Pallan on the Stargate SG1 episode Revisions and then appeared on Atlantis guest starring as Halling in five episodes and then returning as a generic Wraith and finally as the show stealing Todd the Wraith for a grand total of 22 episodes. He has also guest starred or had recurring roles on Caprica, Arrow, Supernatural, Smallville, Sanctuary, True Blood, Hell On Wheels and stars in the upcoming Van Helsing tv series. IMDB Twitter
John is an actor and musician, he appeared in the Stargate SG1 episode Smoke & Mirrors as Luthor and guest starred on Hit ‘n Strum, Battlestar Galactica, Smallville, Haunted and starred in Intelligence. John has been diagnosed with early onset Alzheimer’s, you can read more about John and his illness on his official website or check out his documentary. IMDB Twitter Official
Carrie played Diana Mendez in the Stargate SG1 episode Desperate Measures and she has also appeared on Special Unit 2, Flash Gordon, Watchmen, Dead Rising: Watchtower, Supernatural, All My Children and Castle. IMDB Twitter
Andrew played Dr Carmichael in the SG1 episode Avatar & Kalan in Learning Curve. He has guest starred on Cedar Cove and has starred in Reaper, Whistler, Saved, Intruders, The Fixer, The Romeo Section and The 4400. IMDB Twitter
Fred guest starred as Jacek in the Stargate SG1 episode Family Ties and also guest starred on Roseanne, Mad About You, Ally McBeal, Everybody Loves Raymond and Modern Family.
IMDB Twitter Official