Steve Bacic
Steve played two characters on Stargate SG1, the first was as Camulus the system lord who appeared in three episodes (Zero Hour, New Order 1 & 2) and also Major Coburn in two episodes (The First Ones and Maternal Instinct). He also had a recurring role as Telemachus & Gaheris Rhadeon on Andromeda and has appeared on Republic of Doyle, Spooksville, The Whispers and The 100. IMDB Twitter
Kiara Hunter
Kiara played the alien princess in the Stargate SG1 episode Wormhole X-Treme! and has appeared on Viper, The X-Files, Alien Incursion, Heroes Reborn, Cold Squad and Nightman.
IMDB Twitter Official
Noah Beggs
Noah played Dex in the Atlantis episode Home and a security officer on the SG1 episode Fragile Balance. He has also been on Jeremiah, The Dead Zone, Dark Angel, Fringe, Arrow, Arctic Air, iZombie and Continuum. IMDB
David Orth
David was Captain Radner in the Stargate Atlantis episode The Siege Part 2 and also appeared on The Collector, Supernatural, Human Target, Once Upon A Time, Fringe, Cedar Cove and Shattered. IMDB Behind The Voice