Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Kate Hewlett (born December 17, 1976) is a Canadian actress, writer and songwriter. Hewlett was born in Toronto, Ontario. Her brother is actor David Hewlett, who portrayed Rodney McKay in Stargate Atlantis who was also her brother on-screen. Kate guest-starred as McKay's sister Jeannie in four episodes of the show. She also co-starred with him in the 2006 film A Dog's Breakfast. She recently wrote and starred in the off-Broadway production of Humans Anonymous, the winner of Best of Fringe and Best Ensemble at the 2006 Toronto Fringe Festival.