Keen made her acting debut in 2015 at the age of 10, on the
BBC television series
The Refugees, where she starred alongside her father Will. The show ran during 2015, ending after one season. Keen was next cast in
James Mangold's
superhero film
Logan as
Laura, the child clone of
Wolverine, played by
Hugh Jackman. Casting director Priscilla John endorsed Keen for the role, saying that "She had an innocence and a vulnerability... people are going to fall in love with her." The film was released in 2017 to commercial and critical success, and is ranked among the best superhero movies of all time. Writing for
Vanity Fair, Lisa Liebman called Keen "extraordinary" and "memorable not only for her slice-and-dice adamantium-claw action scenes but also for her ability to convey the young heroine's feral yet innocent nature." Keen won the
Empire Award for Best Newcomer, and nominations from the
Critics' Choice Movie Awards,
Chicago Film Critics Association, and
Saturn Awards, among other accolades. In 2018, Keen was cast as
Lyra Belacqua in the
BBC/
HBO series
His Dark Materials, an adaptation of the
book trilogy of the same name. To prepare for the role, Keen "religiously" read the books in her first two weeks on set. Her father Will stars with her, playing
Hugh MacPhail. The series ran from 2019 to 2022. Keen remarked to
W that "I've grown up on the show. It's really hitting me now." On her portrayal,
The Hollywood Reporter's Daniel Fienberg called Keen "star-studded" and Allison Shoemaker for
RogerEbert.com said she was "excellent (and perfectly cast)". Keen was nominated for the
British Academy Cymru for Best Actress in 2020. Keen next starred alongside
Andy García in
Charles McDougall's
comedy-drama film
Ana. She worked on the film immediately after
Logan in 2017, and after a series of delays, it was released in 2020. The film received mixed reviews, although Amari Allah of
Wherever I Look praised Keen's "charisma and presence" and compared her to a younger
Natalie Portman. '' at the
San Diego Comic-Con in 2024 In 2022, Keen joined the cast of
Leslye Headland's
Star Wars series
The Acolyte. Headland created the character Jecki for Keen after seeing her performance in
Logan. Keen got into character by listening to
David Bowie and joked with Headland that her character also looked like the musician. The series premiered on
Disney+ in 2024. Also in 2024, in a surprise reveal, she reprised her role as Laura in the
Marvel Cinematic Universe film
Deadpool & Wolverine, reuniting with Jackman. It became Keen's highest-grossing release, the
second-highest-grossing film of 2024, and the
highest-grossing R-rated film of all time. In 2025, Keen starred in the horror film
Whistle, directed by
Corin Hardy. She will next star in
Jay Hernandez's directorial debut
Night Comes and the third season of the
Disney+ adaptation of
Percy Jackson and the Olympians. == Influences ==