Sharon Duncan-Brewster is a British actress. She is known for her role as Imperial Planetologist Dr. Liet-Kynes in Denis Villeneuve's 2021 adaptation of Frank Herbert's Dune, and before that as Crystal Gordon in Bad Girls during the first four series; her role as Trina Johnson on EastEnders; and her role as Maggie Cain in the autumn 2009 Doctor Who special, "The Waters of Mars". From Wikipedia
