Ella Purnell Ella Purnell might be busy with the Sweetbitter adaptation, but since it's a miniseries, she should have plenty of time to squeeze in an appearance on The Crown. The talented 21-year-old has popped up in everything from Miss Peregrine's Home For Peculiar Children to Never Let Me Go and has a role in the upcoming drama UFO, due out sometime this year. Image Source: Getty / Samir Hussein