Katherine Langford was born on April 29, 1996, in Perth, Australia.
She acted on the independent films including Daughter where she played the lead role. The film debuted on the 2016 Cannes Film Festival. She also appeared on the indie films Story of Miss Oxygen and Imperfect Quadrant.
Her most notable appearance was in the Netflix series 13 Reasons Why where she played the role of Hannah Baker. She is set to take over the main role in the upcoming Netflix series Cursed. In 2018, she appeared in the films The Misguided and Love, Simon.
She won the 2017 Screen Australia Breakthrough Award from Australians in Film. In 2018, she received Best Actress nominations for her role in 13 Reasons why from Golden Globe Awards, Satellite Awards, and MTV Movie & TV Awards.