Best known for his roles of Cliff St. Paul on “Ugly Betty” or through his portrayal of geek hero Eli Wallace on “Stargate Universe.” A lifelong actor, David began his career onstage, like most do, as a rat in “The Nutcracker.” Years of stage, film and television experience soon followed. You may have also seen him on everything from “Veronica Mars” to CBS’ “Moonlight” as vampire hacker Logan Griffen. He currently battles the evils of the Aperture Science Corporation. @DavidBlue http://www.David-Blue.com