Ellise Chappell (born 21 March 1992) is an English actress, perhaps most well known for her role as Morwenna Chynoweth in the 2015 BBC adaptation of Poldark. She has been seen in the series New Blood and in the TV movie The Last Dragonslayer. Ellise Chappell (born 21 March 1992) is an English actress, perhaps most well known for her role as Morwenna Chynoweth in the 2015 BBC adaptation of Poldark. She has been seen in the series New Blood and in the TV movie The Last Dragonslayer.