Question: are david hewlett and kate hewlett related?
Answer: Hewlett has worked in television, film and theatre. Her brother is actor David Hewlett, who portrayed Rodney McKay in Stargate Atlantis. Hewlett guest-starred as McKay's sister, Jeannie Miller, in four episodes on the series. She also co-starred with him, again as his sister, in the 2006 film A Dog's Breakfast.