Following up on our previous scoop regarding Harry Potter and the Order of the Phoenix casting, we've received word that Kingsley Shacklebolt has been cast. According to our casting source, the actor was cast around the same time as Tonks (in October/November), and unknowns will likely play both. Also, it is likely that Bellatrix Lestrange will be played by a known actress. We'll update you when we hear more.