Viola Margaret Jane Prettejohn (born July 2003) is a British actress. She is known for her role as Myrtle Haplisch in the HBO series The Nevers (2021–2023). She played young Princess Elizabeth in the sixth season of The Crown (2023) on Netflix. Prettejohn made her television debut in the second season of the Starz series Counterpart as a young version of Olivia Williams' character Emily. In August 2019, Prettejohn joined... see more