David Ian Hewlett is a British-born Canadian actor, writer and director, known for his role as Dr. Rodney McKay in the Stargate science-fiction franchise. He first gained fame for his roles as Grant Jansky in the Canadian TV series Traders (1996–2000) and as David Worth in the Canadian psychological horror film Cube (1997). He appeared in the horror film Pin (1988) and the science-fiction films Scanners II: The New Order (1991) and Rise of the Planet of the Apes (2011).
