David Hewlett is an English-Canadian actor. He started his acting career during the ’80s, initially appearing in the shows The Edison Twins and Friday the 13th: The Series, among others. His first movie role was in 1987’s The Darkside. In the ’90s, he had roles in such films as Where the Heart Is, Desire and Hell at Sunset Motel, Scanners II: The New Order, Quiet Killer, and Bad Day on the Block. On TV, his first starring role was as Dr. Nicholas Elder in Kung Fu: The Legend Continues. From 1996 to 2000, he gained recognition for playing Grant Jansky in the TV series Traders. In the 2000s, Hewlett rose to fame for playing Dr. Rodney McKay in Stargate: Atlantis. He played the same role in Stargate SG-1. In the 2010s, he’s had recurring roles in Dark Matter, State of Syn, Incorporated, and Murdoch Mysteries.