Lucy Boynton (born January 17, 1994) is a British actress. Her first professional role was as the young Beatrix Potter in Miss Potter (2006), for which she was nominated for the Young Artist Award for Best Performance in a Feature Film – Supporting Young Actress. She went on to play Posy Fossil in 2007 in the BBC film Ballet Shoes. She also played the role of Margaret Dashwood in the BBC serial Sense and Sensibility (2008). She portrayed the mysterious model Raphina in the 2016 film Sing Street, a ghost Polly Parsons in the 2016 film I Am the Pretty Thing That Lives in the House and Countess Helena Andrenyi in the 2017 adaptation of Murder on the Orient Express.
She played Freddie Mercury's partner, Mary Austin, in the biopic Bohemian Rhapsody (2018), for which earned the cast a nomination for Outstanding Performance by a Cast in a Motion Picture at the 25th Screen Actors Guild Awards. She portrayed Astrid Sloan in the Netflix series The Politician (2019–2020).
Proust Barbie
Countess Elena Andrenyi
Zoe Suskin
Paula
Mary Austin
Raphina
Lea Marquis
Andrea
Claire Douglas
Charlotte
Marie Antoinette
Self
Rose
Astrid Sloan
Frankie Derwent
Allison Adams
Ruth Ellis
Margaret Dashwood
Chloe
Posy Fossil
Jean Courtney
Henrietta Norton
Angelica Garnett
Polly Parsons
Harriet Gibbons
Young Beatrix
Heidi
Herself/Mary Austin
Emily
Esther Hagadorn
Lucy
Bethany Mellmoth
Rice
Self
Holliday
Self