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Adrift is a 2018 American survival drama film directed by Baltasar Kormákur and written by Aaron Kandell and Jordan Kandell. The film is based on the true story of Tami Oldham Ashcraft, who was stranded at sea for 41 days after a hurricane destroyed her boat. Shailene Woodley stars as Ashcraft, with Sam Claflin, Jeffrey Thomas, and Grace Palmer co-starring.