Her films include "Oslo, August 31st" (2011), "The Orheim Company" (2012) and "Welcome to Norway" (2016). On television, she has been a main character in "Nesten voksen" and side character in "Hvite gutter". In 2021 she played the principal character "Julie" in Joachim Trier's film "The Worst Person in the World", which premiered at the 2021 Cannes Film Festival. Reinsve subsequently won the Best Actress Award at the festival for her performance in the film.