Old is a 2021 American body horror thriller film written, directed, and produced by M. Night Shyamalan. It is based on the French-language Swiss graphic novel Sandcastle by Pierre Oscar Lévy and Frederik Peeters. The film features an ensemble cast consisting of Gael García Bernal, Vicky Krieps, Rufus Sewell, Alex Wolff, Thomasin McKenzie, Abbey Lee, Nikki Amuka-Bird, Ken Leung, Eliza Scanlen, Aaron Pierre, Embeth Davidtz, and Emun Elliott. The plot follows a group of people who find themselves aging rapidly on a secluded beach.