Felicity Rose Hadley Jones is an English actress. She began acting as a child, appearing in The Treasure Seekers (1996) and playing Ethel Hallow for one series of the television series The Worst Witch (1998). She then starred in the Donmar Warehouse production of The Chalk Garden (2008).
Jones received praise for her performances as an exchange student in the romantic drama Like Crazy (2011), teacher Jane Hawking in the biopic The Theory of Everything (2014), and a Holocaust survivor in the period drama The Brutalist (2024). The latter two performances received Academy Award nominations for Best Actress and Best Supporting Actress, respectively. She also portrayed Jyn Erso in the space opera Rogue One: A Star Wars Story (2016) and Ruth Bader Ginsburg in the biopic On the Basis of Sex (2018).
Jones's other films include the superhero feature The Amazing Spider-Man 2 (2014), the thrillers True Story (2015) and Inferno (2016), the fantasy drama A Monster Calls (2016), and the streaming films The Aeronauts (2019), The Midnight Sky (2020) and The Last Letter from Your Lover (2021). She starred in Train Dreams (2025), which was nominated for the Academy Award for Best Picture.