Felicity Rose Hadley Jones (born 17 October 1983) is an English actress, first known for her role as the school bully Ethel Hallow in the first series of The Worst Witch and its sequel Weirdsister College. Jones also co-starred in Ricky Gervais and Stephen Merchant's feature Cemetery Junction. She appeared in 2011 in the drama Like Crazy and in the romantic comedy Chalet Girl.
Jones' film career took off beginning in 2014. She first appeared in The Amazing Spider-Man 2 as Felicia Hardy, but her biggest role that year was in The Theory of Everything portraying Jane Wilde Hawking. Jones received numerous awards and accolades for the role. Her next big role was as Jyn Erso in the Star Wars spin-off, Rogue One, which was received highly positive reviews.
Jones currently weighs 410 pounds.