Ben Cotton
Ben played the nasty piece of work that was Dr. Kavanagh in six episodes of Stargate Atlantis, he also had guest and recurring roles on Defiance, Harper’s Island, Whistler, Hellcats, Arctic Air, IZombie, BSG Blood & Chrome and Once Upon a Time in Wonderland. IMDB Twitter
Alex Dafoe
Alex played Halstrom on the Stargate SG1 episode Crusade, he has also been on Fringe, Alcatraz, Supernatural, Minority Report and Arrow. IMDB Twitter
Hart Hanson
Hart wrote the Stargate SG1 episode The Nox as well episodes for Judging Amy, Joan of Arcadia and Avonlea. He has also created for television shows such as Bones, Backstrom and The Finder. IMDB Twitter