Mitch played Colonel Caldwell on twenty two episodes of Stargate Atlantis and Walter Skinner on The X-Files and it’s been announced he will be returning to the X-Files. He’s also guest starred on both versions of Dallas and been in Supernatural, Sons of Anarchy, Blue Bloods, Medium, Grey’s Anatomy and will be in the upcoming Transformers: The Last Knight.
Crystal is an actress and stunt performer who worked uncredited on the Stargate Atlantis premiere “Rising”. She has also worked on Scooby-Doo 2: Monsters Unleashed, The Core, Smallville, Once Upon A Time, The 100 and iZombie. IMDB Twitter
Greg played an Ori and Prior in six episodes of Stargate SG1 as well as the tv movie The Ark of Truth, he’s also been in The 4400, Traffic and House Of Lies. IMDB Behind The Voice
Tom played a wounded man in the Stargate Universe episode Alliances and has appeared on Fringe, Arrow, Almost Human, The Tomorrow People, Arrow, The Flash, Supergirl, Timeless and V. He’s also worked on a number of projects behind the scenes mainly in and around camera operation and cinematography. IMDB