Alaina Huffman
Alaina played Lt. Tamara Johansen in all forty episodes of Stargate Universe as well playing Dinah Lance on Smallville and Abbadon on Supernatural. She guest starred on Alphas, NCIS: Los Angeles, Painkiller Jane, Necessary Roughness. IMDB Twitter
Carlo Rota
Carlo appeared twice on Stargate Universe as Carl Storm in the episodes Life and Earth. He also had a long running guest role on 24 (Day 6 and 7) as Morris O’Brian and appeared on Shark, Little Mosque on the Prairie, Jane the Virgin and Sanctuary. IMDB Twitter
Alonso Oyarzun
Alonso appeared just once on Stargate Atlantis as the leader of a punk gang in the episode Bane. He has also appeared in eight episodes of Battlestar Galactica as Socinus and also in The Plan, The Core, Taken and The Dead Zone. IMDB
Mylene Dinh-Robic
Mylene played Anika in the Atlantis episode The Kindred Part 2, she has also appeared on Battlestar Galactica, Smallville, The Listener, Being Human and 19-2. IMDB Twitter
Brendan Beiser
Brendan played Weaver in the SG1 episode Memento Mori and Tavius in the Atlantis episode The Tower. He has also been in Murdoch Mysteries, Dead Like Me, Reaper, Dark Angel, Goblin & Supercollider. IMDB Twitter