Last Days is a 2025 American biographical drama film about John Allen Chau, a Christian missionary who was killed while attempting to evangelize the self-isolated Sentinelese people. It is directed by Justin Lin, with screenwriter Ben Ripley adapting the Outside magazine article "The Last Days of John Allen Chau" by Alex Perry. It premiered at the 2025 Sundance Film Festival. Starring Sky Lang, Radhika Apte, Ken Leung, Toby Wallace, and Naveen Andrews, and was released in the United States on October 24, 2025.