In this sequel to 1998's “Merlin,” the wizard (Sam Neill) and his unlikely sidekick, a young thief named Jack (John Reardon), must find the Holy Grail and return it to Camelot in order to restore the once mighty fortress, which is in ruins since being overtaken by the evil Rauskaug (Alexander Kalugin). Lady of the Lake: Miranda Richardson. Brianna: Meghan Ory. Graham: Christopher Jacot. Yvonne: Tegan Moss. David Wu directed.