Asa Butterfield

Asa Bopp Farr Butterfield was born on 1 April 1997, in Islington, London, and is the son of Jacqueline Farr, a psychologist, and Sam Butterfield, an advertising copywriter. He was educated at Stoke Newington School. Butterfield started acting at age seven at the Young Actors Theatre Islington. Later, he secured minor roles in the 2006 television drama After Thomas and the 2007 film Son of Rambow.

In 2008, he had a guest role playing Donny in the television series Ashes to Ashes. In that same year, aged ten, Butterfield played the lead role in The Boy in the Striped Pyjamas. Director Mark Herman said that they came across Butterfield early on in the audition process. He was on the first audition tape he received and he was the third hopeful he met in person. Herman thought Butterfield's performance was outstanding, but only decided to cast him after auditioning hundreds of other boys, "so no stone was left unturned". Herman and producer David Heyman were looking for someone who was able to portray the main character's innocence, so they asked each of the children what they knew about the Holocaust. Butterfield's knowledge was slim and it was purposely kept that way throughout filming so it would be easier for him to convey his character's innocence. The final scenes of the film were shot at the end of the production period to prepare both him and Jack Scanlon for the dramatic ending of the film.

Butterfield beat hundreds of boys to the role and also successfully passed the auditions for a role in Mr. Nobody for which he auditioned at the same time. He elected not to pursue the latter role. In 2008, he portrayed Mordred in the Merlin episode "The Beginning of the End"; Butterfield appeared as Mordred in a number of subsequent episodes. In 2010, he had a small part in The Wolfman. He starred as Norman Green in Nanny McPhee and the Big Bang (2010). The film, and his performance, both received positive reviews.

At age 13, Butterfield played the main and titular character in Martin Scorsese's Hugo, adapted from the novel The Invention of Hugo Cabret. Hugo was released on 23 November 2011, and achieved critical success. Butterfield played the title role of Andrew "Ender" Wiggin in the film adaptation of the Orson Scott Card novel Ender's Game. The film was released in 2013.

After the shooting of Ender's Game, Butterfield was cast in coming of age British drama X+Y as Nathan Ellis, a mathematical savant on the autism spectrum selected to compete in an internationally renowned mathematics competition. The film premiered on 5 September 2014 at the Toronto International Film Festival. Butterfield's performance received widespread critical acclaim and saw him nominated for the BIFA Award for Best Actor.

In 2015, Butterfield appeared in a film adaptation of Ten Thousand Saints. In 2016, he portrayed Jacob Portman in Miss Peregrine's Home for Peculiar Children. He also starred as Gardner Elliot in the film The Space Between Us and as Sebastian in The House of Tomorrow in 2017. In 2018, Butterfield was cast in the main role of Otis Milburn on the Netflix comedy-drama series Sex Education. The series was released on 11 January 2019 to critical acclaim. The second season was released on 17 January 2020, the third on 17 September 2021, and the fourth and final season on 21 September 2023.