I N T R O D U C I N G
Langford first appeared in several small independent films in 2015, including Misguided, Imperfect Quardant, and Daughters.
Langford portrayed the lead character, Scarlett, in Daughters, which debuted at the 2016 Cannes Film Festival. In 2016, after declining the offer from WAAPA, Langford auditioned for Will, a TV series centered on the young life of William Shakespeare. She did not get the role, which was instead given to Olivia DeJonge.
Langford auditioned for the role in 13 Reasons Why over Skype and had only 10 days to get an O-1 visaas she had not worked in the United States before. She has received critical acclaim for her portrayal of the American high school student Hannah Baker in 13 Reasons Why. Langford researched the role, speaking with a representative of the sexual assault awareness campaign "It's On Us" and a psychiatrist who specialises in adolescence.
In December 2016, she signed with the William Morris Endeavor agency.
Langford will star in the upcoming 2018 adaptation of the coming-of-age novel, Simon vs. the Homo Sapiens Agenda by Becky Albertalli, as Leah.