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).
Known For
A Cruel Love: The Ruth Ellis Story
Ruth Ellis · (4 episodes)
2025
The Greatest Hits
Harriet Gibbons
2024
Barbie
Proust Barbie
2023
Chevalier
Marie Antoinette
2023
The Pale Blue Eye
Lea Marquis
2022
Why Didn't They Ask Evans?
Frankie Derwent · (3 episodes)
2022
The Ipcress File
Jean Courtney · (6 episodes)
2022
Glimpse
Rice
2021
Locked Down
Charlotte
2021
Ben Platt: Live from Radio City Music Hall
Self
2020
Modern Love
Paula · (1 episode)
2019
The Politician
Astrid Sloan · (15 episodes)
2019
The Kelly Clarkson Show
(1 episode)
2019
Bohemian Rhapsody- The Complete Live Aid Performance
Mary Austin
2019
Rami Malek: Becoming Freddie
Self / Mary Austin
2019
Bohemian Rhapsody
Mary Austin
2018
Apostle
Andrea
2018
Let Me Go
Emily
2018
Murder on the Orient Express
Countess Elena Andrenyi
2017
Rebel in the Rye
Claire Douglas
2017
Gypsy
Allison Adams · (10 episodes)
2017
The Blackcoat's Daughter
Rose
2017
Don't Knock Twice
Chloe
2017
The Dreams of Bethany Mellmoth
Bethany Mellmoth
2017
I Am the Pretty Thing That Lives in the House
Polly Parsons
2016
Lock In
Lucy
2016
Sing Street
Raphina
2016
Life In Squares
Angelica Garnett · (3 episodes)
2015
Late Night with Seth Meyers
Self · (1 episode)
2014
Hymn to Pan
Holliday
2014
Copperhead
Esther Hagadorn
2013
400 Boys
Heidi
2013
Mo
Henrietta Norton
2010
Ballet Shoes
Posy Fossil
2008
Miss Potter
Young Beatrix
2006
See You When I See You
Sense and Sensibility
Margaret Dashwood · (3 episodes)
2008
Lewis
Zoe Suskin · (1 episode)
2007
The One Show
Self · (1 episode)
2006