Justin Kroll Senior Film ReporterEXCLUSIVE: After her breakout role in the Netflix comedy series Sex Education, Emma Mackey has landed her first major lead role in a feature film as we are hearing she is attached to star in Working Title’s Nell Gwynn. Working Title is still still packaging before they go to financiers which would include Focus Features, who Working Title goes to first as part of their first look deal with Universal.