Thomas Milburn Jr.
Thomas was a hazmat officer in the SG1 episode The Fourth Horseman Part 1 and a Jaffa in the SG1 episode Enemies. He has also appeared on Jeremiah, Taken, Out of Order, Andromeda and Dark Angel. IMDB
Tygh played Dr Robert Caine in five episodes of Stargate Universe. He has also appeared on The Listener, Glue, Recoil, Kingdom Hospital, Traffic, Still Life, BSG, Antitrust and has writing, producing and music credits in his resume. IMDB Twitter