David Hewlett
David Ian Hewlett is an EnglishCanadian actor, writer, director, and voice actor best known for his role as Dr. Rodney McKay on the CanadianAmerican science fiction TV shows Stargate SG1, Stargate Atlantis and Stargate Universe.
Hewlett was born in Redhill, Surrey, and moved with his family to Canada at the age of four. Hewlett got his first computer in his midteens and became a selfdescribed computer nerd. While attending high school in Toronto, he launched his acting career, starring in student films by Vincenzo Natali. He dropped out of high school in his senior year to pursue careers in acting and computing, beginning his acting career in 1984 at the age of sixteen.
Source: Wikipedia